Building a Fully Sustainable E-Commerce Packaging Stack

"Sustainable packaging" sounds like a single decision. It isn't — it's a stack of decisions, layer by layer, from the outer carton through to the void fill. Here's how to think about each one.

Layer 1: The outer container

For most parcels, your outer is either a corrugated cardboard box or a poly mailing bag. Cardboard is widely recyclable through kerbside collection. Polythene mailers are technically recyclable but rarely actually recycled — which is why we recommend customers shipping flat goods switch to compostable mailing bags as a first step.

Layer 2: The inner protection

Bubble wrap is the obvious villain here. The straightforward swap is paper-based void fill — and for fragile items, our compostable bubble mailers deliver the same protection without the petroleum-based wrap.

Layer 3: The seal

Standard packing tape is petroleum-based and almost never recycled. The drop-in replacement is paper-based water-activated paper tape — it sticks better than polypropylene tape and recycles directly with the cardboard.

Layer 4: The presentation

If you ship anything where unboxing matters — gifts, retail, subscription — your inner presentation layer is part of the brand experience. Compostable cellophane bags for product display, recycled tissue paper for nesting, and a paper sticker (not plastic).

Layer 5: The security overlay

For high-value or regulated items, add a tamper evident bag as the inner security layer. Yes, it's polythene — but it's typically the smallest single component in the stack, and the security value is significant.

What it actually costs

If you switch every layer simultaneously, expect a 15–25% uplift on packaging unit cost. If you stage the switch over 6 months — outer first, then tape, then bubble, then presentation — most customers find the cost increase is partially offset by reduced supplier consolidation, lower box sizes (compostables compress better), and price-tier discounts from buying more from a single supplier.

Communicate it

The single most under-used tactic: print "How to recycle this packaging" on a slip card. It increases the actual recovery rate of your packaging by 3–5x in independent studies.

Where to start

Pick the highest-volume SKU you ship and switch only its packaging stack first. Run for one quarter, measure damage rates and customer feedback, then expand. Don't try to switch the entire warehouse in one weekend.

Browse the full eco packaging range or talk to us about a sample stack for your most-shipped product.