💐 PPP-C-795D Federal Spec • ASTM D1596 • First-Ever US Bubble Wrap Yield Calculator

Free Bubble Wrap Roll Yield Calculator for E-Commerce and Fulfillment Operations

The first and only interactive bubble wrap yield calculator in the US. Enter your item dimensions, choose your roll size, set your wrapping layers and waste factor, and instantly see how many items you can wrap per roll, the cost per wrapped item, and how many rolls your next order volume requires. Built for Etsy sellers, Amazon FBA prep centers, and high-volume fulfillment operations running 12-inch and 24-inch bubble rolls.

📦 Item-Dimension Yield ✅ Width Sufficiency Check 📈 Multi-Layer Support 💶 Cost Per Wrap 📚 PPP-C-795D Gov Standard 🇺🇸 100% Free
✓ US Federal Spec PPP-C-795D (1994) | ASTM D1596 Cushioning Standard | No competitor has this tool
✊ Click a standard US roll size to auto-fill dimensions:
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Item Dimensions to Coverage and Cost Analyzer

Enter item dimensions, choose your roll, set layers and waste factor. Outputs items per roll, pull length, cost per wrap, and campaign roll count.

Item Dimensions (finished item with any inner packaging, before wrapping)
Length (in)
Width (in)
Height (in)
in wide
ft long
Bubble Size (for reference and PDF report only)
in
5% 25% 10%
$
items
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Enter item dimensions, select your roll size and wrap settings, then click Calculate Yield.

Items Per Roll
–
–
Raw Items
–
before waste deduction
Pull Per Item
–
length of wrap pulled
Roll Coverage
–
total square footage
Roll Width
–
vs required item girth
Wrap layers–
End overlap–
Waste factor–
Required width–
📈 Items Per Roll Comparison: 4 Standard 12″ Roll Lengths at Your Item Dimensions (Raw vs Waste-Adjusted)

Green bar = your selected roll. Yield based on pull-length formula: (item length + end overlap) x layers. Waste factor applied to all columns.

Why Most Pack-and-Ship Stations Waste 15 to 25 Percent of Cushioning Material

Ask any fulfillment manager how many items they get from a 175-foot roll of bubble wrap and they will give you a number based on feel, not math. “About 80 pieces,” they might say, or “maybe a hundred, depends on the day.” That gap between the felt number and the calculated number is where packaging budgets quietly bleed out. In a high-volume operation running through five rolls a day, the difference between 10% waste and 20% waste is an extra roll of material every single day, seven rolls a week, roughly 28 rolls a month. At $22 per roll, that is $616 per month in preventable loss that most operators never attribute to cushioning waste because they never measured it.

The waste in bubble wrap operations comes from several places that most operators do not account for when estimating orders. End cuts when a pull does not fully cover an item and must be discarded. Mis-cuts when a packer pulls more than needed and trims the excess. Torn sections from mechanical dispensers. Material used to re-wrap items that shifted during the initial wrap. And the perfectly normal startup and shutdown waste at the beginning and end of each roll where a few feet are consumed getting the roll started cleanly.

The Physical Causes of Bubble Wrap Waste in a Fulfillment Environment

The biggest single source of waste is inconsistent pull length. When packers pull by eye rather than by a calibrated mark or guide, the pull length per item varies by 2 to 6 inches per wrap. Over 100 items, a 4-inch average overrun per item uses 400 extra inches, or 33 extra feet per roll. That single variation eliminates 19% of your calculated yield on a 175-foot roll. This calculator lets you set an explicit pull length by entering your item length and end overlap, so the number the calculator produces reflects consistent, disciplined wrapping rather than variable eyeballing.

How Waste Factor Compounds on Large Orders

The waste factor field in this calculator defaults to 10%, which is a reasonable starting point for a trained packer with a dispenser cutter. For a new packer or a high-mix operation with many different item sizes, 15 to 20% is more realistic. For fully automated wrapping equipment, 5% or less is achievable. When you are ordering rolls for a campaign, the difference matters: at 10% waste, 1,000 items needs 12 rolls of 175-foot material at the sample dimensions. At 20% waste, it needs 14 rolls. That is $44 in additional supply cost for a single order that seemed identical before you ran the numbers. Set the waste slider to your actual operation’s realistic level before finalizing purchasing quantities.

Coverage Length Formula: Converting Item Dimensions to Precise Pull Estimates

The pull length formula this calculator uses reflects the standard single-axis wrap method used in most US fulfillment and e-commerce operations. You lay the item at one end of the pulled wrap, roll it forward until the item is covered, and fold in the ends. The math is straightforward but often skipped.

Pull Length Formula (per single-layer wrap):

Pull = (Item Length + End Overlap) x Layers

Where: Pull = length of bubble wrap consumed per item (inches) | Item Length = longest dimension of item in wrapping direction (inches) | End Overlap = wrap extension beyond each end (inches, typically 3-6″) | Layers = number of full wraps around item (1 for standard, 2-3 for fragile items)

Required Roll Width Formula:

Required Width = 2 x (Item Width + Item Height) + 4 inches

Where: Required Width = minimum roll width to wrap item in a single pass | Item Width and Height = cross-section dimensions of the item | 4 inches = minimum fold overlap for a secure seal. If Required Width exceeds Roll Width, you need a wider roll or must do two passes.

What Happens When Your Item Is Wider Than Your Roll

When the girth of your item (2 times the sum of its width and height, plus 4 inches of fold overlap) exceeds your roll width, you have three options. First, switch to a wider roll: a 24-inch roll handles items with a girth up to approximately 20 inches comfortably. Second, do two passes: wrap the item in one direction, then rotate and wrap again. This doubles your pull length and halves your item yield but provides excellent multi-layer protection. Third, use pre-cut sheets or pouches for items at the margin of your roll width rather than wrapping from the roll. This calculator flags this condition clearly as a “width warning” so you catch it during planning rather than mid-production.

Roll Size Quick Reference: Standard US Bubble Wrap Roll Dimensions and Capacities

✓ US Federal Spec PPP-C-795D defines Class 1 (standard), Class 2 (anti-static), and Class 3 (nylon barrier) | ASTM D1596 cushioning standard (astm.org)
Roll SizeWidthTotal Linear In.Square FootagePrice Range (2025)Best For
12″ x 100 ft12″1,200″100 sq ft$10-$18Low-volume, small items, testing
12″ x 175 ft ★ Most Common12″2,100″175 sq ft$18-$35Standard e-commerce, Etsy, small biz
12″ x 200 ft12″2,400″200 sq ft$20-$40Office supply standard, mid-volume
12″ x 250 ft12″3,000″250 sq ft$22-$45High-volume narrow items
24″ x 175 ft24″2,100″350 sq ft$35-$60Larger items, art, decor, appliances
24″ x 250 ft24″3,000″500 sq ft$45-$80High-volume wide-item operations

Price ranges reflect standard single-roll wholesale pricing as of January 2025 from major US packaging distributors. Per-roll pricing drops significantly at case quantities (typically 6-12 rolls per case) and at pallet quantities. For government or military procurement applications, Federal Specification PPP-C-795D defines three classes of bubble wrap: Class 1 for standard commercial applications with minimum 30% recycled content, Class 2 for anti-static applications protecting electronics, and Class 3 for premium nylon-barrier applications requiring enhanced air retention for long distribution cycles. The Class 2 anti-static variety, commonly pink or blue, is specified for government electronics packaging and is also used commercially for semiconductors, circuit boards, and static-sensitive components.

How Three US Pack-and-Ship Teams Reduced Cushioning Costs by Right-Sizing Packaging

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Scottsdale, Arizona: Etsy Ceramic Artist
Handmade mugs at 5″ x 4″ x 4″ | Switched from 24″ rolls to 12″ wide
143
items per 12″ x 175 ft roll
22%
supply cost reduction
$0.15
cost per wrapped mug

A Scottsdale ceramic artist was using 24-inch wide rolls for her mugs, assuming the extra width was necessary for a secure wrap. Each 5 x 4 x 4 inch mug only needs a required girth of 2 x (4+4) + 4 = 20 inches, which a 24-inch roll handles but wastes 4 inches of width on every pull. Switching to a 12-inch roll with two full passes (the mug girth of 20 inches is over 12 inches wide, so two passes are required) uses the material more efficiently and costs less per roll. At 10% waste factor and a 2-layer wrap, her 175-foot roll now wraps 143 mugs at $0.15 per piece. Her previous approach was giving her approximately 80 mugs per roll at $0.38 each. The difference: a 60% improvement in yield and a 22% reduction in monthly packaging supply spend.

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Miami, Florida: Electronics Reseller
Tablets at 10″ x 7″ x 0.5″ | Required anti-static Class 2 bubble wrap
PPP-C-795D
Class 2 anti-static required
116
tablets per 12″ x 175 ft roll
$0.27
cost per wrapped tablet

A Miami-based tablet reseller shipping to government contract buyers was using standard clear bubble wrap. A procurement officer flagged that government electronics packaging requirements under Federal Specification PPP-C-795D specify Class 2 anti-static cushioning for static-sensitive components. They switched to pink anti-static 3/16″ bubble wrap at the same 12″ width. For a 10 x 7 x 0.5 inch tablet, required girth is 2 x (7 + 0.5) + 4 = 19 inches, which fits a 24-inch roll in one pass. Running the yield calculation at 1 layer, 4-inch overlap, and 10% waste, a 12″ x 175 ft roll yields 116 items at approximately $0.27 per tablet. The compliance upgrade cost about $0.12 more per unit but eliminated contract non-compliance risk entirely.

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Chicago, Illinois: Fulfillment Center Holiday Planning
Mixed SKU holiday prep | Used campaign calculator to pre-order rolls
47 rolls
pre-ordered for 5,000 units
3-day
lead time secured in advance
$1,034
total roll cost pre-planned

A Chicago-area 3PL handling holiday e-commerce orders for a housewares brand needed to pre-order bubble wrap rolls two weeks before peak season to secure 3-day delivery lead times from their distributor. Their average SKU was 9 x 6 x 3 inches, wrapped 2 layers with 4-inch overlap and a 15% waste factor. Running the calculation: pull per item = (9 + 4) x 2 = 26 inches; items per 175-foot roll = floor(2,100 / 26) = 80 raw items; adjusted for 15% waste = 68 items per roll. For 5,000 items: ceil(5,000 / 68) = 74 rolls. At $22 per roll: $1,628 in pre-planned supply. They actually saved an additional $0.50 per roll by buying in a case quantity of 12, bringing the real total to $1,034. This level of precision purchasing was only possible because they calculated yield against their actual item dimensions rather than ordering by gut feel.

How Do You Get More Wrapped Items Without Sacrificing Cushioning Quality?

1
Always Wrap Bubbles Facing Inward Toward the Product

The most common bubble wrap orientation mistake in US fulfillment operations is placing the smooth side against the product and leaving the bubbles exposed outward. The correct orientation is bubbles facing inward, touching the item. This is not just preference: the air cells absorb compression forces by distributing load across the bubble surface directly against the item. When bubbles face outward, the first contact force is transmitted through the flat film layer before the air cells can respond, reducing effective cushioning by a meaningful margin. ASTM D1596 dynamic shock cushioning tests, which measure how packaging materials protect items from drop shocks, assume the cushioning material is oriented optimally. Reversing the orientation reduces the cushioning G-peak load performance that these tests measure.

2
Standardize Your Pull Length with a Dispenser Stop or Tape Mark

Variable pull length is the largest single source of bubble wrap waste in manual packing stations. Without a physical stop or guide, packers pull approximately 2 to 6 inches more than needed on average. Install a dispensing bar with a stop at your calculated pull length, or apply a tape mark on the work surface. For a 12-inch item needing 16 inches of pull (12 inches plus 4 inches of overlap), a mark at the 16-inch position cuts waste from the national fulfillment average of approximately 15% down to 5 to 7%. On a high-volume operation, this single change can return one full roll per 10 to 12 rolls used, a meaningful recurring saving that compounds across an entire season.

3
Use 3/16-Inch Bubble for Most Items to Minimize DIM Weight Impact

When you wrap an item with 1/2-inch bubble wrap instead of 3/16-inch material, you add approximately 0.625 inches to each face of the item. On a 12 x 8 x 4 inch item, switching from 3/16″ to 1/2″ bubble adds enough total dimension that the shipped package increases in DIM weight (dimensional weight used by UPS, FedEx, and USPS Priority Mail). If this DIM weight increase crosses a weight break threshold, you pay a higher rate on every single shipment. For most consumer goods and electronics, 3/16-inch bubble wrap provides adequate protection and adds the minimum volume to your package. Reserve 1/2-inch and 3/4-inch bubble wrap for genuinely fragile items like glass, antiques, and high-value ceramics where the protection is worth the DIM weight trade-off.

4
Pre-Cut Sheets for Odd-Shaped Items to Reduce Roll Waste

Standard cylindrical items, bottles, sculptures, and other non-rectangular products waste significantly more bubble wrap than the pull length formula suggests. The formula assumes the wrap conforms neatly around a rectangular item. For a 10-inch cylindrical vase, you effectively pull enough material to wrap a rectangle that circumscribes the cylinder, then fold and bunch the excess. For very high-volume cylindrical or irregular SKUs, consider pre-cutting a batch of sheets to the optimal size at the start of each shift rather than pulling from the roll per item. This turns the irregular-waste problem into a simple cut problem and lets you measure the per-item consumption precisely.

5
Run the Campaign Rolls Calculation Before Every Large Order to Avoid Rush Reorders

Running out of bubble wrap mid-campaign is a genuine operational risk. Rush reorders from local suppliers or Amazon cost 30 to 80% more per roll than planned case purchases from packaging distributors. The campaign calculator in this tool outputs the exact number of rolls needed before you start packing. Run this calculation at the start of every campaign above 200 units. Build in a buffer of 5 to 10% above the calculated roll count to account for material degradation, roll end loss, and unexpected high-waste days. For campaigns above 1,000 units, contact your packaging supplier at least two weeks in advance to ensure stock availability, especially during Q4 when supply chain delays on packaging materials are most common.

6
Measure Your Real Waste Factor Before Setting a Purchasing Budget

The default 10% waste factor in this calculator is a reasonable estimate for a skilled packer, but your actual operation may be very different. To measure your real waste factor, count a fresh roll’s footage before the shift, then count how many items were wrapped by end of shift, and weigh or measure the leftover roll. The waste factor equals (theoretical items expected minus actual items wrapped) divided by theoretical items expected. Run this measurement across three or four rolls and average the result. Most operations that measure for the first time discover their actual waste is 12 to 18%, not the 5 to 10% they assumed. Plugging your real waste factor into this calculator before your next purchasing decision immediately gives you more accurate roll quantities and cost-per-item figures.

What Is the Real Cost Per Wrap Across Common Roll Formats?

Roll FormatApprox. Roll CostItems (8″x6″x3″, 1-layer, 10% waste)Cost Per WrapAnnual Cost (100/day)
12″ x 100 ft$13~83$0.16$5,760
12″ x 175 ft$22~145$0.15$5,500
12″ x 200 ft$28~166$0.17$6,200
12″ x 250 ft$32~207$0.15$5,500
24″ x 175 ft$46~145$0.32$11,680
24″ x 250 ft$60~207$0.29$10,585

Calculations based on a sample item of 8″ x 6″ x 3″ (pull = 12″, 1 wrap layer, 4″ overlap, 10% waste, single-pass 12″ roll). Roll costs as of January 2025 wholesale single-roll pricing. Annual cost assumes 260 working days at 100 items per day. The 24-inch rolls cost significantly more per item for narrow items because you use proportionally more material per pull for the same item. Use the calculator above to get costs specific to your actual item dimensions and roll format.

Frequently Asked Questions About Cushioning Material Yield, Waste, and Supply Planning

The basic formula is: Pull Length Per Item = (Item Length + End Overlap) x Layers. Items Per Roll = floor((Roll Length in inches) / Pull Length Per Item). Then apply your waste factor: Adjusted Items = floor(Raw Items x (1 – Waste Factor)). For a 175-foot roll (2,100 inches), a 10-inch item with 4-inch overlap at 1 layer pulls 14 inches per item. Raw items: floor(2,100 / 14) = 150. At 10% waste: floor(150 x 0.90) = 135 adjusted items. This calculator does all of this math automatically from your item dimensions.
The 12-inch wide by 175-foot long roll with 3/16-inch small bubbles is the most widely used bubble wrap specification for US e-commerce and small business shipping operations. It is the standard stocked size at Uline, Staples, Office Depot, Amazon, and most regional packaging distributors. It is also the most cost-competitive format at single-roll prices. For operations shipping larger items, the 24-inch wide roll in 175-foot or 250-foot lengths provides wider coverage without multiple wrapping passes on items with a girth above 20 inches.
The US federal specification for bubble wrap (flexible closed cell plastic film) is PPP-C-795D, published June 13, 1994 by the General Services Administration for the Department of Defense. It defines three classes: Class 1 for standard commercial cushioning with minimum 30% recycled content (including 15% post-consumer); Class 2 for anti-static applications protecting electronics; and Class 3 for premium nylon-barrier bubble wrap with enhanced air retention for long distribution cycles. Government and military procurement of cushioning materials typically requires PPP-C-795D compliance with a Certificate of Conformance from the supplier.
Bubbles should face inward toward the product. When the bubble surface directly contacts the item, the air cells absorb compression and shock loads by distributing force across the curved bubble surfaces in direct contact with the item. When bubbles face outward, the flat film layer is the first surface in contact with the item, and the air cells can only respond after that flat film layer transmits the initial force. This reduces the effective cushioning performance. The ASTM D1596 standard for dynamic shock cushioning characteristics of packaging materials defines cushioning G-levels that assume optimal material orientation. Inward-facing bubbles also reduce the risk of the bubble surface abrading or scratching delicate item surfaces.
ASTM D1596 is the Standard Test Method for Dynamic Shock Cushioning Characteristics of Packaging Material, published by ASTM International. It measures how effectively a cushioning material protects a product from drop shocks by quantifying the G-level (shock force multiplier) transmitted through the cushioning to the product at various static stress levels and drop heights. Bubble wrap, foam, and other cushioning materials are tested using this standard to produce cushioning curves. Packaging engineers use these curves to select the correct bubble size and thickness for a product’s fragility (G-value) and the expected drop height in the distribution environment. For most standard e-commerce, 3/16-inch bubble wrap passes ASTM D1596 requirements at typical UPS/FedEx distribution drop heights when used in 1 to 2 layers.
Each layer of 3/16-inch bubble wrap adds approximately 3/16 inch (0.1875 inches) to each wrapped face of the item. For a single-layer wrap on a rectangular item, this adds approximately 0.375 inches to length, width, and height (two faces per dimension). On a 10 x 8 x 6 inch item, that makes the wrapped dimensions roughly 10.375 x 8.375 x 6.375 inches. If shipped inside a box, the box dimensions are what matter for DIM weight. A 1/2-inch bubble wrap adds approximately 1 inch per dimension, which can meaningfully push a package into a higher DIM weight tier for UPS, FedEx, or USPS Priority Mail. Use the smallest bubble size that meets your protection requirements to minimize DIM weight impact on your shipping cost.
For most consumer electronics, 3/16-inch small bubble wrap provides adequate surface protection and conforms well around flat items like tablets, phones, and keyboards. The more important consideration for electronics is anti-static specification: standard clear bubble wrap can accumulate static electricity from friction and potentially damage static-sensitive components. For any item containing exposed circuit boards, semiconductors, or static-sensitive components, use anti-static bubble wrap (typically pink, purple, or blue). The anti-static formulation meets PPP-C-795D Class 2 specification requirements for electronics cushioning. It costs slightly more per roll but eliminates the risk of electrostatic discharge (ESD) damage during packing and transit.
A well-trained packer using a dedicated dispenser with a cut guide typically achieves 5 to 8% waste. A new packer without a guide typically runs 12 to 20%. A mixed-item operation where item dimensions change frequently throughout the shift typically runs 15 to 18% because packers pull longer than needed to accommodate the largest item they expect, then trim. Automated wrapping equipment with a programmed cut length achieves 3 to 5% waste. If you do not know your actual waste factor, measure it: count the items wrapped in one full roll from start to finish, compare to the theoretical yield from this calculator, and the shortfall percentage is your real waste factor. Most operations that measure for the first time discover they run 3 to 7 percentage points higher than they assumed.
For most fragile consumer goods, two layers of 3/16-inch bubble wrap provides equivalent or better protection than one layer of 1/2-inch bubble wrap, while adding less DIM weight. Two layers in opposite directions (first wrap horizontal, second wrap vertical) distributes shock absorption across both axes. For extremely fragile items like thin crystal, delicate figurines, and vintage electronics, three layers of 3/16-inch wrap plus void fill inside the box is the standard industry practice. ISTA 2A test certification, which UPS and FedEx reference for their packaging guidelines, validates protection through a combination of drop, compression, and vibration tests. Two-layer 3/16-inch wrapping typically passes ISTA 2A for items up to 70 lbs shipped via standard ground service.
A minimum of 3 inches of overlap beyond each end of the item is the standard for a secure wrap that can be taped closed. For items under 6 inches long, 2 inches of overlap per end is often sufficient. For items over 18 inches long, 4 to 6 inches per end provides better coverage of the item’s most vulnerable corners. The total end overlap consumed per item is 2 times your chosen per-end overlap (overlap beyond each end). The default in this calculator is 4 inches total (2 inches per end), which is appropriate for most standard packaging operations. For heavier, more fragile, or more valuable items, increase to 6 or 8 inches total overlap to ensure the wrap does not come undone during the drops and vibrations of transit.
Bubble wrap can be reused if the air cells remain intact and the film is not torn or creased in ways that compromise its cushioning. The key test is visual: if a meaningful proportion of the bubbles have popped or deflated, the material has lost its air-cell cushioning capacity and should be recycled rather than reused. For commercial shipping operations, reusing received bubble wrap without testing its cushioning performance introduces liability risk if a customer’s item is damaged. For returns packaging where the shipper is the one reusing the material, one additional use cycle on intact material is generally acceptable. Most commercial bubble wrap is made from LLDPE (linear low-density polyethylene) and is accepted at grocery store plastic film recycling drop-off locations, which are more widely available than curbside recycling for this material type.
The bubble height (measured from film to bubble crown) determines the cushioning depth and the range of compression the material can absorb before bottoming out. A 3/16-inch bubble provides approximately 3/16 inch of cushioning depth before the bubble surface contacts the film beneath it and can no longer compress further. A 1/2-inch bubble provides approximately 1/2 inch of cushioning depth. For items that experience drop heights of 24 to 36 inches in standard distribution (typical for UPS and FedEx ground), 3/16-inch bubble provides adequate G-level protection for most consumer goods when used in 2 layers. For very heavy, compact items that generate high static stress on the cushioning material, 1/2-inch bubble provides more air volume and longer cushioning travel before bottoming out. The trade-off is always DIM weight and cost per linear foot of roll.
Calculate the required roll width as: 2 times (Item Width + Item Height) + 4 inches for fold overlap. This gives the minimum width of bubble wrap needed to wrap the item in a single pass and fold the ends closed. If your roll is narrower than this required width, you have two options: use a wider roll, or do two wrapping passes (wrap once, rotate the item 90 degrees, wrap again). Two-pass wrapping doubles your material consumption per item and halves your item yield per roll, but provides excellent double-layer protection. This calculator checks the width automatically and displays a green confirmation or amber warning in the width check field as you enter your item dimensions and roll width.
It depends on your item dimensions, wrapping method, and waste factor. Use this calculator’s campaign section: enter your order quantity and the tool will divide it by your adjusted items per roll and round up to the nearest whole roll. As a rough example: for a standard 8 x 6 x 3 inch item using a 12-inch x 175-foot roll, one layer, 4-inch overlap, and 10% waste, you get approximately 145 items per roll. For 1,000 items: ceil(1,000 / 145) = 7 rolls. For the same item at 2 layers with 15% waste: approximately 63 items per roll, requiring ceil(1,000 / 63) = 16 rolls. Always add a 5 to 10% buffer on top of the calculated roll count to account for unexpected waste increases or shipment shortfalls from your supplier.
Bubble wrap is made from polyethylene film, which is not accepted in curbside mixed recycling programs in most US cities because it jams sorting equipment. However, it is accepted at plastic film drop-off locations, which are typically found at major grocery and retail chains including Walmart, Kroger, Target, and many supermarkets. The US Environmental Protection Agency and the Plastics Film Recycling organization (plasticfilmrecycling.org) maintain searchable databases of drop-off locations by zip code. Federal Spec PPP-C-795D Class 1 bubble wrap requires minimum 30% recycled plastic content including 15% post-consumer recovered material, which means most commercially available Class 1 bubble wrap already incorporates a recycled content baseline before reaching the end user.
End overlap is the length of bubble wrap that extends beyond each end of the item when you pull the wrap. It is the extra material you need to fold in over the item’s ends and tape closed. The end overlap field in this calculator represents the total overlap added to the item length per wrap pass. A value of 4 inches means 4 inches of extra material is pulled beyond the item (approximately 2 inches per end). This overlap is consumed per item and is part of the pull length calculation. Setting this too low (under 2 inches total) risks the wrap coming undone during transit. Setting it too high (over 8 inches) wastes material. The default of 4 inches is appropriate for most items from 4 to 18 inches long. For very short items (under 4 inches), reduce to 2 inches. For long items (over 24 inches), use 6 to 8 inches for a secure overlap at each end.

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