Black Mailers - Home Compostable Shipping Mailers.
Supr Pack’s black stock mailers are perfect for a myriad of sustainable packaging needs. From delicate to less fragile items up to 5 kg can be easily packed. The black poly mailer bags are AS5810 Home Compostable and AS4736 Commercially Compostable. The top-class quality of custom poly mailers includes sturdy, premium-matte finish, waterproof, non-transparent, writable, and reusable.
The poly mailer bags are 70-80% PBAT (an entirely compostable co-polymer) and 20-30% PLA + cornstarch. Order a minimum of 50 poly mailers and deliver compostable excellence to your customers.
Kindly Note - If you want to print your logo on this bag, check out our custom mailer product here
BLACK COMPOSTABLE MAILERS FAQs
Where are your Compostable Mailers made of?
Our compostable mailers are made from 70% PBAT, 25% corn starch, and 5% PLA.
What is the difference between degradable and compostable satchels?
Degradable mailers (commonly known as D2W) break down over time but may leave behind microplastics or residues. Compostable mailers break down into natural, non-toxic organic matter without harmful residue.
Are your compostable mailers certified?
Yes. Our compostable mailers are certified to European & Australian standards:
- AS5810 — Home Compostable
- Certificate Number: ABAP 20125
- EN13432 (Europe)
Are your mailers waterproof?
Yes. Our compostable mailers are waterproof, tear-resistant, sturdy, and designed to protect products during shipping.
Can I reuse the compostable satchels?
Yes. Our compostable mailers come with dual adhesive strips for reuse and return orders. Cut along the dotted line after first use, refill, reseal, and ship again.
Do compostable mailers have a shelf life?
Yes. Shelf life is approximately 9–12 months when stored sealed in a cool, dry place away from direct sunlight.
How should my customers compost your mailers?
Remove all non-compostable labels, stickers, and adhesive contaminants before placing the mailer into a home compost bin.
How long do compostable mailers take to compost?
Generally, within 180 days, depending on moisture and temperature conditions.
What happens if compostable mailers end up in a landfill?
They break down into organic matter without leaving toxic or heavy-metal residue.
Sizes & Australia Post Compatibility
Which mailer size should I choose?
Our compostable mailer sizes are designed to closely fit a wide range of products.
Size S — 200 × 280 mm
Fits: Jewellery, cosmetics, small accessories, thin apparel
Approx capacity: Up to 500g
Size S-M — 260 × 385 mm
Fits: T-shirts, activewear, single garments
Approx capacity: Up to 1kg
Size M-L — 315 × 415 mm
Fits: Hoodies, multiple garments, medium parcels
Approx capacity: Up to 3kg
Size L — 395 × 455 mm
Fits: Bulky clothing, jackets, larger orders
Approx capacity: Up to 5kg
Size XL — 420 × 594 mm
Fits: Oversized apparel, shoe boxes, large shipments
Approx capacity: 5kg+
Custom Printing & Bulk Orders
Can these mailers be customised with my logo/design?
Yes. We offer custom compostable mailers with your logo/design starting from just 100 mailers MOQ. Click here to explore the custom product.
Do you offer volume discounts for large quantities of custom packaging?
Yes. Bulk pricing is already available on our website. For wholesale quantities beyond the listed options, email your requirements to hi@suprpack.com for a quotation.
Shipping & Delivery
What is the delivery/lead time?
- Air Freight: Approximately 7–10 days
- Sea Freight: Approximately 7–8 weeks
Lead time may vary depending on order quantity and shipping method selected at the time of checkout.
What is the shipping cost?
Supr Pack offers free standard shipping on all products. For express shipping or faster lead times, contact hi@suprpack.com for a quotation.
Where are your mailers made and shipped from?
Our compostable mailers are manufactured in our centralised production facility in China and shipped directly to customers globally.
Can you ship directly to our supplier or factory in another country?
Yes. We can ship directly to your supplier, warehouse, or factory globally, including Vietnam, Bali, China, and other regions. Contact hi@suprpack.com for a quotation.
Supr Mailer’s Magical Features:
- Quality at Center Stage - The black poly mailers are non-transparent, reusable, sturdy, premium-matte finish, & waterproof.
- Environmental Friendly - The mailer bags are compostable packaging materials as they are AS5810 Home Compostable and AS4736 Commercially Compostable.
- Top-Notch Material - The eco-friendly mailers are manufactured of 20-30% PLA (cornstarch) and 70-80% PBAT (an entirely compostable co-polymer).
- Supr Pack for Multiple Items - It can be used for packing products such as electronic items, clothing, shoes, etc.
- Lasting Impressions - The eco-friendly mailers can be stored up to 12 months in the absence of moisture and sunlight. But, Supr Pack recommends buying 3 months’ quantity.
Seed Starter Pots - By folding them into pots, you can cut the biodegradable mailer bag into smaller pieces and use them for small plants.
Store Travel Items - The recycled poly mailers can be reused for storing items during travel as they are writable and easy to do labeling.
Book Covers - By cutting the mailer bag, it can be reused for covering notebooks or books.
DIY Garbage Bags - The waterproof feature of eco-friendly mailer bags helps it to be easily convertible into a garbage bag.
- Sustainability Specs
Home Compostable
- How to Compost?
Remove all the stickers, labels & & adhesive strips from the Shipping Mailers & drop them in Home Compost Bin.
- Material
Eco-friendly Shipping Mailers are made of 20-30% PLA (cornstarch) & 70-80% PBAT (an entirely compostable Co-Polymer) that is Naturally Compostable.
- Certifications
AS5810 Home Compostable, AS4736 Commercially Compostable. International certifications: Home Compostable (EN13432) and Commercially Compostable (EN13432).
- Carbon Neutral Shipping
Supr Pack uses carbon neutral shipping to offset shipping emissions created during order fulfillment.
- Stock Mailers come with 2 lead times.
- Mailer quantities up to 2000 will be delivered in 7-10 working days.
- Mailer quantities above 5000 will be delivered in 7-8 weeks only.
- Read the complete shipping policy here
BLACK COMPOSTABLE MAILERS FAQs
Where are your Compostable Mailers made of?
Our compostable mailers are made from 70% PBAT, 25% corn starch, and 5% PLA.
What is the difference between degradable and compostable satchels?
Degradable mailers (commonly known as D2W) break down over time but may leave behind microplastics or residues. Compostable mailers break down into natural, non-toxic organic matter without harmful residue.
Are your compostable mailers certified?
Yes. Our compostable mailers are certified to European & Australian standards:
- AS5810 — Home Compostable
- Certificate Number: ABAP 20125
- EN13432 (Europe)
Are your mailers waterproof?
Yes. Our compostable mailers are waterproof, tear-resistant, sturdy, and designed to protect products during shipping.
Can I reuse the compostable satchels?
Yes. Our compostable mailers come with dual adhesive strips for reuse and return orders. Cut along the dotted line after first use, refill, reseal, and ship again.
Do compostable mailers have a shelf life?
Yes. Shelf life is approximately 9–12 months when stored sealed in a cool, dry place away from direct sunlight.
How should my customers compost your mailers?
Remove all non-compostable labels, stickers, and adhesive contaminants before placing the mailer into a home compost bin.
How long do compostable mailers take to compost?
Generally, within 180 days, depending on moisture and temperature conditions.
What happens if compostable mailers end up in a landfill?
They break down into organic matter without leaving toxic or heavy-metal residue.
Sizes & Australia Post Compatibility
Which mailer size should I choose?
Our compostable mailer sizes are designed to closely fit a wide range of products.
Size S — 200 × 280 mm
Fits: Jewellery, cosmetics, small accessories, thin apparel
Approx capacity: Up to 500g
Size S-M — 260 × 385 mm
Fits: T-shirts, activewear, single garments
Approx capacity: Up to 1kg
Size M-L — 315 × 415 mm
Fits: Hoodies, multiple garments, medium parcels
Approx capacity: Up to 3kg
Size L — 395 × 455 mm
Fits: Bulky clothing, jackets, larger orders
Approx capacity: Up to 5kg
Size XL — 420 × 594 mm
Fits: Oversized apparel, shoe boxes, large shipments
Approx capacity: 5kg+
Custom Printing & Bulk Orders
Can these mailers be customised with my logo/design?
Yes. We offer custom compostable mailers with your logo/design starting from just 100 mailers MOQ. Click here to explore the custom product.
Do you offer volume discounts for large quantities of custom packaging?
Yes. Bulk pricing is already available on our website. For wholesale quantities beyond the listed options, email your requirements to hi@suprpack.com for a quotation.
Shipping & Delivery
What is the delivery/lead time?
- Air Freight: Approximately 7–10 days
- Sea Freight: Approximately 7–8 weeks
Lead time may vary depending on order quantity and shipping method selected at the time of checkout.
What is the shipping cost?
Supr Pack offers free standard shipping on all products. For express shipping or faster lead times, contact hi@suprpack.com for a quotation.
Where are your mailers made and shipped from?
Our compostable mailers are manufactured in our centralised production facility in China and shipped directly to customers globally.
Can you ship directly to our supplier or factory in another country?
Yes. We can ship directly to your supplier, warehouse, or factory globally, including Vietnam, Bali, China, and other regions. Contact hi@suprpack.com for a quotation.
