Eco-Friendly Mailers

Signet's Compostable Mailers are made from cornstarch and 100% biodegradable plant-based materials, so have no trouble breaking down in either your home compost bin or a commercial composting facility.

Pick a size that is suitable for your package, place the product inside the Compostable Mailer, remove the paper adhesive cover, and seal. The mailer is ready to send.

Small mailer: 165mm X 235mm
Medium mailer: 255mm x 325mm
Large size mailer: 395mm x 455mm
XLarge mailer: 420mm x 594mm

Signet's Compostable Mailers are certified to Australian home and industrial composting standards. This means they will completely breakdown into organic fertiliser within 90 days in a commercial composting facility and 180 days in a home composting environment. Simply cut the bag into strips before composting as this will ease the process. If you don't have a home compost, you can use a visit Sharewaste to find a composting facility near you.

Australia Post mailers come in the following sizes:

• 500g - 220x355mm
• 1kg - 265x385mm
• 3kg - 310x405mm
• 5kg - 435x510mm

If you are looking for a Compostable Mailer Bag closest to these sizes we recommend the following:

• 500g- Use our small size mailer (165mm X 235mm)
• 1kg - Use our medium size mailer (255mm x 325mm)
• 3kg - Use our large size mailer (395mm x 455mm)
• 5kg - Use our xlarge size mailer (420mm x 594mm)

Compostable Mailers are not made to last forever - the average shelf life is approx. 10-12 months. When storing, keep the mailer bags sealed and away from water, humidity, extreme temperatures, and sunlight.

Signet's Honeycomb Mailers are made entirely from paper that is responsibly sourced and carries the FSC certification.

Pick a size that is suitable for your package, place the product inside the Honeycomb Mailer, remove the paper adhesive cover, and seal. The mailer is ready to send.

Small mailer: 235mm X 280mm
Medium mailer: 260mm X 340mm
Large size mailer: 380mm X 480mm

Every part of Signet's Honeycomb Mailer is recyclable, so there is no waste. It can be put in any kerbside recycling bin and the materials will be broken down and reused.

The unique die-cut shape of the honeycomb protective paper is an eco-friendly and effective alternative to bubble wrap. Two layers of the honeycomb paper padding is used in between a heavy-duty kraft outer layer to provide the product protection you need to ensure your product arrives in perfect condition. This built-in protection means you can skip manually wrapping your product in protective packaging - saving time, effort, and costs.

Small - 100 per carton
Medium - 100 per carton
Large - 50 per carton