Compostable packaging education

Compostable vs Biodegradable Packaging

Published 2026-01-10

What compostable and biodegradable mean in B2B packaging — and which questions to ask before you buy.

Why language matters for ecommerce brands

Customers are more likely to read what you print on a mailer than a footnote on a supplier datasheet. That makes clarity important — for trust and for commercial credibility.

Compostable and biodegradable are not interchangeable. One describes an intended end-of-life route under defined conditions. The other is broader and easier to misuse.

What compostable usually means in packaging

Compostable packaging is designed to break down under composting conditions, typically aligned to standards and testing for specific environments (for example industrial composting, and in some specifications home composting).

Credibility generally comes from specification documentation and certification where applicable — not from adjectives on a website.

  • Ask which standard applies and what environment it targets.
  • Ask what customers should do with the packaging after use.
  • Ask what happens if the packaging enters general waste streams.

Why biodegradable can be ambiguous

Biodegradable can describe a wide range of breakdown behaviours, timelines and environments. Without definition, it does not tell a buyer much.

For ecommerce brands, the practical question is whether your customer can understand disposal guidance without confusion.

A quick note on oxo-degradable claims

Oxo-degradable approaches have faced significant scrutiny in multiple markets. If a supplier leads with oxo-degradable language, ask for clarity on local regulatory positioning and what proof supports environmental claims.

How to decide what is right for your brand

Start with your fulfilment reality: weights, rough handling, weather exposure and returns.

Then align packaging claims to what you can support with documentation and clear customer guidance.

Next step

If you want pricing for custom compostable mailers, request a quote. If you are still researching, get the guide first.

FAQ

Our compostable packaging is made from non-GMO, PFAS and BPA free, renewable corn starch and PBAT. It can be made food safe if required. Our other compostable items, such as plates, bowls, cups and cutlery, are made from PHA/sugar cane and are BPA and PFAS free. They are also food safe. Our boxes are made from FSC certified forests and recycled cardboard.

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