Compostable Mailer Bags

Product Overview

Compostable mailer bags, also known as biodegradable plastic bags, biodegradable bags or e-commerce mailer bags, are the last physical touchpoint between a brand and its customer. AISUNBIO's compostable mailer bags replace conventional polyethylene courier satchels with a certified compostable alternative, while maintaining core performance including puncture resistance, opaque privacy protection, tamper-evident sealing and full-surface printability. Designed for online retail shipping, these courier satchels are built to withstand the rigors of courier handling, protect package contents and customer privacy, and support brand visibility during every delivery.

Core Features

1. Double adhesive strip design: Equipped with a primary tamper-evident seal for initial packaging, plus a secondary re-sealable strip for easy returns handling, eliminating the need for extra packaging materials during return shipments.
2. Fully opaque film: The non-transparent film completely hides package contents in transit, effectively protecting customer privacy and preventing exposure of purchased goods.
3. Puncture-resistant construction: Made with 50–80 μm thick film that withstands common courier handling processes, including sorting, loading and transportation, reducing the risk of package damage during delivery.
4. Full-surface exterior print: Supports full-surface exterior printing of up to 8 colors, allowing brands to display their visual identity and sustainability messaging on every delivery, turning each shipment into a mobile brand impression opportunity.
5. Compostable certification: Certified for home compostability, with compliance to EN 13432, ASTM D6400 and OK Compost INDUSTRIAL standards, ensuring the packaging can break down safely in compost environments without leaving harmful residues.
6. Tamper-evident seal: The primary adhesive strip provides clear indication if the package has been interfered with during transit, alerting recipients to potential unauthorized opening.
7. Wide size range: Available in sizes from XS (20×28 cm) to XL (40×55 cm), covering parcel needs from small items like jewelry to larger items like clothing, with custom size options available for specific requirements.

Technical Specifications

1. Product Name: Mailer Bags / Courier Satchels / Compostable Shipping Bags
2. Material: PBAT + PLA blend / PE / PCR / RECYCLE
3. Thickness: 50 – 80 μm
4. Size Range: XS (20×28 cm) through XL (40×55 cm), custom available
5. Closure: Double peel-and-seal adhesive strip (tamper-evident)
6. Opacity: Fully opaque, contents hidden in transit
7. Print: Full-surface exterior print up to 8 colors
8. Certification: EN 13432, ASTM D6400, OK Compost INDUSTRIAL
9. MOQ: 20,000 pcs
10. Lead Time: 20 – 30 days after artwork approval

Core Advantages

1. Sustainable packaging solution: As a certified compostable alternative to traditional polyethylene courier bags, these mailers help brands reduce their plastic footprint, meet consumer demand for eco-friendly packaging, and align with global sustainability regulations for packaging waste.
2. Improved returns experience: The secondary re-sealable adhesive strip allows customers to easily seal returned items without needing extra packaging, streamlining the returns process and reducing additional packaging waste from return shipments.
3. Enhanced brand visibility: Full-surface 8-color printing capability lets brands showcase their logo, brand story and sustainability commitments on every package, turning routine deliveries into effective brand touchpoints that strengthen customer recognition and loyalty.
4. Reliable transit protection: The puncture-resistant 50-80 μm film and tamper-evident seal ensure packages remain intact and secure during courier handling, reducing damage rates and providing peace of mind for both brands and customers.
5. Privacy protection: The fully opaque film prevents customers' purchased items from being visible during transit, protecting personal privacy and avoiding potential theft or unwanted exposure of goods.
6. Flexible size options: The wide range of sizes from XS to XL accommodates various product types, from small accessories to apparel, eliminating the need for multiple packaging suppliers for different product lines.

Target Customers

These compostable mailer bags are ideal for a wide range of e-commerce and retail businesses, including online apparel brands, jewelry and accessory retailers, beauty and personal care e-commerce stores, subscription box services, cross-border e-commerce sellers, and sustainable packaging distributors. They are also suitable for brands looking to upgrade their packaging to meet eco-friendly consumer expectations and reduce their environmental impact.

Application Scenarios

The compostable mailer bags are designed for all types of online retail shipping scenarios, including domestic e-commerce order fulfillment, cross-border parcel delivery, return shipments, and subscription box packaging. They are suitable for shipping small items such as jewelry, cosmetics, and accessories in XS sizes, as well as larger items like clothing, home textiles, and small household goods in XL sizes. The tamper-evident seal and opaque film make them particularly suitable for shipping high-value or private items that require secure and discreet delivery.

Industry Pain Points Solved

1. Solves the problem of traditional plastic courier bags contributing to plastic waste and environmental pollution, providing a certified compostable alternative that breaks down safely in compost environments.
2. Addresses the inconvenience of returns handling, where customers often need extra packaging materials to seal returned items, by integrating a secondary re-sealable strip directly into the mailer bag.
3. Resolves the issue of limited brand exposure on plain packaging, enabling full-surface custom printing to turn every delivery into a brand marketing opportunity.
4. Eliminates privacy concerns associated with transparent or semi-transparent courier bags, ensuring package contents are completely hidden during transit.
5. Reduces package damage rates during courier handling, thanks to the puncture-resistant film that withstands sorting and transportation processes.
6. Provides clear tamper indication, solving the problem of unauthorized package opening during transit and giving recipients confidence in the integrity of their delivery.

Frequently Asked Questions (FAQ)

Q1: Are these compostable mailer bags suitable for home composting?
A: Yes, these mailer bags are certified for home compostability, and comply with EN 13432, ASTM D6400 and OK Compost INDUSTRIAL standards, ensuring they can break down safely in home compost environments.

Q2: What is the minimum order quantity for these mailer bags?
A: The minimum order quantity (MOQ) is 20,000 pieces, with a lead time of 20 to 30 days after artwork approval for custom printed orders.

Q3: Can these mailer bags be used for return shipments?
A: Absolutely. The mailer bags are equipped with a secondary re-sealable adhesive strip, allowing customers to easily seal returned items without needing additional packaging materials.

Q4: What sizes are available for these compostable mailer bags?
A: The mailer bags are available in sizes from XS (20×28 cm) to XL (40×55 cm), covering parcel needs from small items like jewelry to larger items like clothing, with custom size options available for specific requirements.

Q5: How much color printing is possible on the exterior of the mailer bags?
A: The mailer bags support full-surface exterior printing of up to 8 colors, allowing brands to display their full visual identity and messaging on every delivery.