Honeycomb paper padded mailers are the plastic-free alternative to bubble mailers. Instead of plastic bubbles, a layer of expanded honeycomb paper cushions your items, so the whole envelope is paper: 100% recyclable and compostable. Choose from 7 sizes in natural brown kraft, from 125 x 160mm to 360 x 480mm, each with a peel-and-seal strip.
Honeycomb vs bubble mailers
| ⬡ Honeycomb paper mailer | Bubble mailer | |
|---|---|---|
| Padding | Expanded honeycomb paper | Plastic air bubbles |
| Materials | All paper | Paper or plastic outer with plastic lining |
| After use | Paper recycling or compost | Check local council rules |
| Look | Natural brown kraft | White, colours or metallic |
| Best for | Eco-conscious brands, books, clothing, gifts | Small delicate items, electronics |
All 7 sizes, drawn to scale
Internal size, width x length in mm. Tap an envelope to shop that size.
▦ Full size chart and bubble mailer equivalents ▾
Honeycomb mailer size chart
Width x length in mm. Choose by the inside size, leaving about 10mm around your item.
| Size | Inside (mm) | Outside (mm) | Good for | Pack sizes | Shop |
|---|---|---|---|---|---|
| E0 (#00) | 125 x 160 | 145 x 160 | Jewellery, cards, small accessories | 200 | Shop |
| E1 (#01) | 150 x 225 | 170 x 225 | A5 items, cosmetics, phone cases | 50 / 100 / 200 | Shop |
| E2 (#02) | 215 x 280 | 235 x 280 | Paperback books, small gifts, accessories | 100 | Shop |
| E4 (#04) | 240 x 340 | 260 x 340 | A4 documents, prints, C4 items | 100 | Shop |
| E5 (#05) | 265 x 380 | 285 x 380 | Larger books, folded clothing | 50 / 100 | Shop |
| E6 (#06) | 300 x 405 | 320 x 405 | Clothing, multiple items | 50 | Shop |
| E7 (#07) | 360 x 480 | 380 x 480 | Our largest: bulky and multi-item orders | 50 | Shop |
Switching from bubble mailers? Closest honeycomb size:
Bubble #02 215 x 280 → E2Bubble #04 235 x 350 → E4Bubble #05 260 x 380 → E5Bubble #06 300 x 400 → E6Bubble #07 360 x 480 → E7More plastic-free and eco packaging
Compostable MailersPlant-based satchels for clothing
Paper Courier BagsPlastic-free satchels
Brown Mailing BoxesRecyclable kraft boxes
Packaging PaperPaper void fill and wrap
All Eco MailersOur full eco range
Honeycomb mailer FAQs ▾
Honeycomb mailer FAQs
What is a honeycomb padded mailer?
It is a paper envelope lined with expanded honeycomb paper instead of plastic bubbles. The honeycomb cells compress to absorb knocks, giving bubble-mailer style protection with no plastic.
Are honeycomb mailers recyclable and compostable?
Yes. Our honeycomb mailers are made from paper, so they are 100% recyclable and also compostable. Peel off any plastic shipping label before recycling.
Do honeycomb mailers protect as well as bubble mailers?
They cushion small items well against bumps and pressure in transit. For very fragile or heavy items such as glass, use a mailing box with void fill.
What size honeycomb mailer fits A4?
Choose E4 (240 x 340mm inside), sized for A4 and C4 items. For thicker A4 items or folded clothing, step up to E5 (265 x 380mm).
Can I send a honeycomb mailer as a large letter?
Often, yes. Australia Post large letters can be up to 260 x 360mm, 20mm thick and 500g. E0, E1, E2 and E4 are within the size limit if the packed mailer stays thin and light. Check current Australia Post rules before posting.
I use bubble mailers now. Which size should I switch to?
E2 matches bubble mailer #02 (215 x 280mm) and E7 matches #07 (360 x 480mm). E4, E5 and E6 are the closest swaps for bubble #04, #05 and #06. See the size chart above.
Do you offer bulk pricing?
Yes. Larger packs cost less per mailer. E1 comes in 50, 100 and 200 packs, and E5 in 50 or 100.














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