Cyber Monday Returns: Compostable Packaging in E-Commerce

Cyber Monday 2025 generated approximately $13.7 billion in US e-commerce sales, with package shipping volumes peaking at over 175 million units delivered in the week following, the highest weekly volume of the year. The packaging that wraps those shipments, boxes, void-fill, mailers, tape, and labels, is the largest single-event pulse of shipping packaging in the US calendar, and almost all of it currently goes to landfill or recycling rather than compost.

Compostable packaging for e-commerce is gaining traction, particularly in the past three years as several supplier categories matured. But the economics, operational details, and consumer behavior around compostable shipping packaging are more complicated than the retail case for compostable foodware. Here’s the state of the art in 2026, what’s working, and what still doesn’t.

What e-commerce packaging consists of

A typical e-commerce shipment contains:

1. Outer container, corrugated cardboard box, padded mailer, or poly mailer.
2. Void fill, air pillows, packing paper, kraft paper, packing peanuts, or molded paper pulp.
3. Item protection, bubble wrap, foam wraps, paper wraps, or specialty padded sleeves.
4. Tape and labels, typically polypropylene tape and synthetic adhesive labels.
5. Inserts, packing slips, return labels, marketing material (paper-based mostly).

By weight in a typical shipment, corrugated cardboard dominates (50 to 80%), with void fill and protection at 10 to 30%, and tape/labels/inserts as the small balance.

The compostable options for each component

Outer container, corrugated cardboard: Already compostable for the most part. Plain kraft cardboard composts cleanly. The complications are inks (many printers now use water-based inks that are compost-safe), coatings (avoid wax-coated or glossy-coated cardboard), and tape residue (mentioned below). Most curbside cardboard recycling captures this material; only a fraction reaches commercial composters. The recycling path is well-established.

Outer container, padded mailers: Traditional padded mailers (Sealed Air’s Jiffy mailers, for example) use poly-coated paper with synthetic bubble wrap padding, not compostable. Compostable alternatives now exist: paper-and-paper-pulp padded mailers from suppliers like EcoEnclose and Better Packaging. These compost in commercial systems. Cost premium: 20 to 60% over conventional padded mailers.

Outer container, poly mailers: Conventional poly mailers (the soft plastic sleeves) are LDPE and not compostable. Compostable poly mailers made from PLA + PBAT blends (TUV OK Compost HOME certified for home composting in some products) are commercially available from companies like Pela’s compostable mailer line, EcoEnclose, and several Chinese manufacturers selling on Alibaba. Cost premium: 100 to 300% over conventional poly mailers, meaningfully more expensive. The mailer category is where the compostable cost premium hurts most.

Void fill, kraft paper: Already compostable. Honeycomb expanded kraft paper (from companies like Geami) is the most popular compostable void fill. Crinkled kraft paper, shredded kraft, and similar variations all compost cleanly. Cost is comparable to or slightly higher than non-compostable air pillows.

Void fill, packing peanuts (starch-based): Starch-based dissolving peanuts (the kind that disappear in water) have been available since the 1980s and compost reliably. Cost premium: about 30% over polystyrene peanuts, which are essentially obsolete now in most US e-commerce due to environmental pushback.

Void fill, molded paper pulp: Custom-molded paper pulp inserts (for protecting electronics, fragile items) are increasingly common as a polystyrene foam replacement. Compostable, recyclable, and structurally rigid. Cost: comparable to molded polystyrene at scale, higher at low volumes.

Item protection, paper wrap / honeycomb: Compostable. Increasingly used in place of bubble wrap.

Item protection, bubble wrap: Conventional bubble wrap is LDPE and not compostable. Compostable bubble-style padding made from PLA-coated paper exists but is rare and expensive (5 to 10x conventional bubble wrap cost). Most operations using compostable shipping skip the bubble-wrap equivalent and use crumpled or molded paper instead.

Tape, conventional polypropylene tape: Not compostable. The strong adhesive backing is also problematic for paper recycling, it doesn’t strip cleanly and contaminates the paper stream.

Tape, paper tape with starch adhesive (Kraft gummed tape): Fully compostable. Increasingly common for ecommerce operations prioritizing compostability or paper-stream recyclability. Cost: comparable to PP tape per linear foot.

Labels, synthetic adhesive labels: Not compostable. Both the label substrate and the pressure-sensitive adhesive are synthetic.

Labels, paper labels with starch adhesive: Compostable. Available from a small number of suppliers, growing market.

Inserts, paper inserts: Compostable assuming uncoated. Glossy-coated inserts (the kind some retailers use for high-end branding) often have non-compostable coatings.

What an end-to-end compostable shipment looks like

A fully compostable shipment in 2026 typically uses:

• Plain or water-based-ink-printed corrugated box, OR compostable padded mailer
• Kraft paper void fill OR molded paper pulp inserts
• Paper-based item wrapping
• Paper tape with starch adhesive
• Compostable labels (or paper labels)
• Uncoated paper inserts

Cost premium over conventional shipping materials: 15 to 40% depending on item profile (lower for small items in mailers, higher for fragile items needing significant protection).

This is achievable today. The materials exist, the suppliers can support meaningful volume, and the supply chain works. The question for an e-commerce operation is whether the cost premium and operational adjustment is worth it for their specific business.

What e-commerce companies are doing it

Several visible retailers have committed to compostable or near-compostable shipping packaging:

• EcoEnclose is itself a compostable packaging supplier serving small-to-medium e-commerce. They use their own products for their own shipments, a closed-loop demonstration.
• Pela Case (phone cases) and several other sustainable product brands ship in compostable mailers.
• Lush Cosmetics has been progressively moving toward minimal-packaging or compostable shipping.
• Patagonia has experimented with various compostable shipping configurations, though their main product packaging remains conventional.
• REI has incorporated paper-based void fill and tape across their fulfillment network.
• Allbirds ships in recycled cardboard with paper void fill and tape, primarily compostable.

The companies adopting compostable shipping packaging skew toward sustainability-positioned brands where the marketing return justifies the cost premium. Mainstream retailers (Amazon, Walmart, Target’s direct e-commerce) generally use recyclable rather than compostable packaging, paper void fill and recycled cardboard, but with conventional tape and labels.

Amazon specifically has invested heavily in machine-built corrugated mailer technology that uses minimal material and recyclable adhesives. Whether that direction or the explicitly compostable direction “wins” in e-commerce packaging is genuinely uncertain.

Why compostable shipping packaging is harder than compostable foodservice

A few specific challenges that don’t apply to foodservice compostables:

The composting connection isn’t there. A compostable cup at a restaurant gets thrown into the restaurant’s compost bin and goes to commercial composting. A compostable shipping mailer arrives at a residential address, where the customer is responsible for the disposal. Most US households don’t have access to commercial composting that accepts shipping mailers. The mailer often goes to recycling (where it can contaminate the paper stream) or to landfill (where it provides no benefit). The compostability is a property of the material, but the realization depends on residential composting access that mostly doesn’t exist.

Cost premium hurts more in shipping. A foodservice operation runs perhaps $0.50 in foodware per cover; the compostable premium is $0.10 to $0.20 per cover, recoverable in disposal savings and customer perception. An e-commerce operation runs perhaps $1.50 in packaging per shipment; the compostable premium is $0.50 to $0.80 per shipment, much harder to recover. The economics are tighter.

Returns logistics. Cyber Monday is followed by Cyber Returns: roughly 20 to 30% of holiday e-commerce purchases are returned. The packaging used for returns is often whatever the customer has on hand, which means even fully-compostable outbound packaging gets replaced with conventional materials for the return shipment. The full lifecycle compostability is harder to maintain.

Customer behavior variability. Even when compostable packaging arrives at a customer’s door, what happens next varies enormously. The packaging may be reused (good), recycled (mixed result depending on material), composted (best case), or landfilled (worst case). Without a clear customer-facing pathway, the compostable property is partially wasted.

Where compostable shipping packaging makes sense today

Despite the challenges, compostable shipping packaging is the right choice in specific contexts:

Sustainable-brand commerce. When the brand’s marketing depends on environmental positioning, customer expectations align with compostable packaging and the price premium is recoverable in willingness-to-pay.

Subscription boxes with educated customers. Subscription services (meal kits, coffee, beauty boxes) often serve customers who are interested in sustainability and have established composting practices.

Smaller-volume operations. The fixed cost of switching packaging types, supplier negotiations, fulfillment process changes, training, is lower for smaller operations. The cost premium per unit may be higher but the operational disruption is smaller.

B2B and wholesale shipping. Business-to-business e-commerce typically ships to recipients who can route packaging through commercial composting or who reuse packaging extensively. The full lifecycle benefit is more achievable.

Direct-to-restaurant supply. Foodservice supply distributors shipping compostable foodware to restaurants can ship that foodware in compostable packaging, allowing the restaurant to handle both items through their existing commercial composting relationship. This closes the loop in a way most retail e-commerce doesn’t.

What this means for the Cyber Monday volume specifically

The Cyber Monday and December holiday e-commerce pulse, approximately 1 to 1.5 billion shipments in the US over the November-December window, represents:

• 1.5 to 2.0 billion lbs of corrugated cardboard (mostly recycled)
• 100 to 150 million lbs of mailers, void fill, and protective packaging (mixed materials, mostly to landfill)
• Several billion feet of tape (most non-compostable)
• Billions of labels (almost all non-compostable)

Shifting even a meaningful fraction of this volume to compostable materials would require:

• Supplier scale-up (most compostable packaging suppliers are not at the volume to support Cyber Monday peak shipping demand from major retailers)
• Residential composting infrastructure expansion (the disposal-path problem)
• Customer education on disposal pathways
• Cost absorption or recovery through pricing

The likely path over the next 5 to 10 years is incremental: paper tape replacing PP tape in mainstream operations (the easiest substitution), paper-based void fill becoming standard, compostable padded mailers in specific brand categories, with full compostable shipments remaining a niche segment served by sustainability-positioned brands.

For B2B operators

For B2B operators considering compostable packaging for their own e-commerce:

• Audit your current packaging mix and identify the highest-impact substitutions. Paper tape replacing PP tape is usually the easiest first step. Switching void fill from air pillows to kraft paper is the second easiest.
• For high-protection items (electronics, glassware), molded paper pulp inserts are an excellent and increasingly affordable polystyrene replacement.
• Test compostable mailers in a specific product line before rolling out broadly. The cost differential is real and worth verifying against customer response.
• Coordinate with your customers on disposal pathways. Including a clear “compost this packaging” note in the shipment, with disposal options for customers without composting access, helps capture the lifecycle benefit.
• For broader compostable supply chain context, see compostable bags and compostable food containers. The same suppliers that make these foodservice products often have related compostable shipping packaging lines.

The shift from conventional to compostable e-commerce packaging is happening more slowly than the comparable shift in foodservice, but it’s happening. Cyber Monday volume will continue to dominate the calendar, and the gradual displacement of conventional materials with compostable alternatives will continue accelerating through the late 2020s. The operations that move now establish supplier relationships, customer expectations, and operational practices before the broader market shift compresses costs and standardizes options.

For B2B sourcing, see our compostable supplies catalog or compostable bags catalog.

Background on the underlying standards: ASTM D6400 defines the U.S. industrial-compost performance bar, EN 13432 harmonises the EU equivalent, and the FTC Green Guides govern how “compostable” can be marketed on packaging in the United States.