Product Specifications
| Product Name | Custom Compostable Mailers |
|---|---|
| Sustainability | Compostable |
| Material | PLA+PBAT |
| Size | XS 6×9 inch, S 10×13 inch M 12×15 inch, L 14.5×19 inch, XL 19×24 inch Custom sizes available upon request |
| Thickness | Budget Friendly: 2 mil (50 μm), Standard: 2.35 mil (60 μm) Medium: 2.5–2.75 mil (64–70 μm), Premium: 3.15–4 mil (80–100 μm), Custom Thickness |
| Colors | Simple Color, Full Color, Custom Color |
| Certification | Certifications TÜV Austria OK Compost HOME & INDUSTRIAL, BPI (ASTM D6400), DIN CERTCO (EN 13432) |
| Shelf Life | 9-12 months |
| Printing Options | Custom Logo Printing, Full-Color (CMYK), and Edge-to-Edge Printing |
| Sample Policy | Free stock samples available; Customized samples supported |
| Lead Time | Samples & Small Batches: Approx. 1 week Bulk Orders: Approx. 2–3 weeks |
FAQ about Compostable Mailers
1. What material are the compostable mailers made of?
The compostable mailers are made of PLA(Polylactic Acid.) and PBAT (Polybutylene Adipate Terephthalate) plant-based materials instead of plastic. This natural composition makes them 100% compostable and biodegradable.
2. What is the shelf life of the compostable mailers?
If properly stored in a cool, dry and dark place, the compostable mailers can last for 9-12 months while retaining their durability.
3. How long does it take for the compostable mailers to break down?
The decomposition time varies on temperature, humidity and composting method. typically break down within approximately 90–180 days under proper home composting conditions, quickly returning nourishment to the earth.
4. What certifications do compostable mailers have?
Our compostable mailers are certified by TÜV Austria OK Compost HOME & INDUSTRIAL, BPI (ASTM D6400), and DIN CERTCO (EN 13432), ensuring compliance with international compostability standards.
5. Is the printing ink eco-friendly?
Yes, we use non-toxic inks, like soybean oil ink or water based ink to print beautiful designs and it’s free of pollution.
6. Are the glue and adhesive strips biodegradable?
The adhesive strip is not compostable and should be removed before composting.
7. How to handle the compostable mailers after purchase?
No special equipment needed! Just place our mailers in your backyard compost or compost them in home compost bin, after removing labels, tapes and plastic backing.
8. Can the compostable mailers go into recycling bins?
No. The compostable mailers need to be broken down through composting instead of conventional recycling.
9. What’s the difference between compostable mailers and regular PE mailers?
Compostable mailers are more eco-friendly and break down completely under composting conditions. In comparison, PE mailers offer higher durability and lower cost, but are made from conventional plastic. Compostable mailers are ideal for eco-conscious brands, premium products, and businesses prioritizing sustainability in their packaging strategy.
Why Choose Custom Poly Mailers
Custom poly mailers aren’t just packaging, they’re a marketing tool that helps your brand grow.
Made from durable materials and engineered as lightweight shipping bags, they help reduce shipping weight while maintaining the protection of waterproof mailers. This makes them an affordable and professional way to elevate your overall brand image.
Lightweight, durable, and waterproof.
Fully customizable with logo, color, and size.
Affordable for both small and bulk orders.
Ideal for eCommerce and retail shipping.
Available in eco-friendly materials for sustainable mailers.
Add your personal touch and build a memorable customer experience with every shipment.
Eco-Friendly and Sustainable Options
Make the switch to greener packaging with custom eco-friendly poly mailers.
Our eco-friendly polyethylene mailers come in both recycled and compostable options. You can choose recycled poly mailers made from 30–100% post-consumer recycled materials, or 100% compostable poly mailers—both fully customizable in size and able to feature your logo and brand colors. They’re the perfect choice for brands looking to reduce their carbon footprint while delivering a premium unboxing experience.
All Zero-Pak mailers can be made using recyclable, or compostable materials.
Why Choose Zero-Pak
Premium Custom Packaging
Zero-Pak has a professional team of structural engineers and designers dedicated to creating tailored packaging solutions. We can customize the size, material, and print design to perfectly match your brand’s needs.
Complete supply chain
With access to China’s packaging supply chain, we provide competitive pricing on bulk custom poly mailers while ensuring strict quality control (ISO 9001 certified).
One-Stop Packaging
From logo design and sample production to bulk manufacturing and shipping, we manage every step of your custom poly mailer order, saving you time and reducing costs with our complete end-to-end service.
Small Batch & Bulk Friendly
We cater to small and medium-sized businesses, our low MOQ of 100 units and bulk discounts ensure you get the best value, no matter the size of your order.









