Compostable Courier Bags


Compostable Courier Bags– Secure & Sustainable
Greenworksbio’s Compostable Courier Bags are industrial-grade, leak-proof mailers made from PLA and corn starch blends. Designed for strength, they offer high load-bearing capacity and certified biodegradability. These eco friendly courier bags are available in various sizes and colours and are engineered to decompose within 150–180 days under industrial composting conditions. This ensures full compliance with environmental and packaging regulations.
What Makes Our Durable Compostable Courier Bags Work?
- Certified Compostable
Breaks down completely within 150–180 days in industrial composting—no microplastic or fossil-derived residue. - Tamper-Proof Sealing Integrated flap and strong adhesion system ensure contents remain protected during packing and shipping.
- Custom Size & Strength Options Available in 13″ x 16″ inches, 19″ x 21″ inches, and custom dimensions, thickness and load.
- Custom Size & Strength Options
Available in 13″ x 16″, 19″ x 21″, and custom dimensions, thickness and load. - PLA + Corn Starch Composition
Made from renewable, plant-based raw materials with a reduced carbon footprint. - Standards-Compliant
Tested as per ISO 17088, CIPET-validated for decomposition, sealing integrity, and tensile performance.
Industry Use Cases & Functional Applications
E-commerce & D2C Brands
Used by online sellers for apparel, accessories, documents, and product packaging that replaces poly mailers.
Courier & Logistics Companies
Ideal for parcel shipping with tamper-proof biodegradable courier bags that align with sustainability mandates.
Retail Brands
Adopted by eco-conscious retailers for eco friendly shipping bags and custom-printed branded mailers.
Subscription Box & Gifting Services
Ensures safe, sustainable delivery of subscription kits, product samplers, and promotional parcels.
Corporate & Export Packaging
Compliant with global compostable packaging norms for cross-border delivery and institutional use.
Technical Specifications
Parameter |
Specification |
---|---|
Size | 13″ x 16″, 19″ x 21″, Customizable |
Thickness Range | 20 – 120 microns (customizable) |
Load Capacity | 250g – 15kg (customizable) |
Material Composition | PLA + PBAT + Corn Starch |
Decomposition Time | 150 – 180 days (industrial composting) |
Shelf Life | Up to 12 months |
Color | Customizable |
Sealing | Tamper-proof pouch flap with high-adhesion glue |
Transparency | Optional (customizable) |
Certifications & Compliance

ISO 17088
Ensures adherence to international compostability standards.

CIPET Tested
Validated by the Central Institute of Plastics Engineering & Technology.

CPCB Compliant
Approved by the Central Pollution Control Board for environmental safety.

TÜV Austria Certification
Under evaluation for OK Compost Industrial standard to support global export and compliance requirements
Built-In Advantage: What Sets Greenworksbio Apart
Audit-Ready Certification
ISO, CPCB, and EN 13432-aligned documentation available for every batch.
Plastic-Free Conversion Support
Technical guidance for plug-and-play transition on existing mailing lines.
Reliable Indian Supply Chain
Domestic sourcing from raw material to final bag—no delays or import filler risks.
Scalable Volumes
From startup launches to enterprise courier rollouts, we match demand growth.
Team Enablement Tools
Internal guides for waste handling, operations, and marketing alignment on sustainability.
FAQs
What are compostable shipping bags made of?
Compostable Courier Bags are made from a PLA + PBAT + corn starch blend, offering strong physical properties and full compostability under industrial conditions.
How are compostable poly mailers different from traditional plastic courier bags?
Unlike LDPE-based poly mailers, biodegradable shipping bags degrade within 180 days under composting and do not contribute to microplastic pollution. They also offer tamper-proof sealing and are certified for regulatory compliance.
Can compostable courier bags carry heavy parcels?
Yes. Our eco friendly poly mailers are load tested, and their tear-resistant bottom seal ensures durability during transport.
Are these bags approved for export use in regulated markets like the EU or UAE?
Yes. Greenworksbio’s eco friendly mailer bags meet global composting standards and are undergoing TÜV Austria certification, making them suitable for international e-commerce packaging.