This custom grey kraft paper mailer bag is designed for eco-conscious clothing brands, e-commerce retailers, and courier services seeking sustainable and versatile packaging. Crafted from recycled and biodegradable materials (kraft paper blended with PBAT/PLA/corn starch), it meets TUV EN13432 and ASTM-D6400 international compostable standards, balancing environmental responsibility with practicality. Featuring an expandable gusset design to accommodate bulky items and a tear-off closure for easy opening, it supports high-definition custom printing (up to 8 colors) for brand promotion. Fully customizable in size and thickness, it offers reliable protection for clothing and various shipped goods, aligning with global green packaging trends. Compliant with international certifications, it’s a popular choice for bulk packaging needs in Western Europe, North America, and beyond. Key Specifications - Material: Recycled grey kraft paper + compostable blends (PBAT/PLA/corn starch composite; biodegradable and recyclable) - Thickness: Multiple options (0.5 mil, 1 mil, 1.5 mil, 2 mil, 2.5 mil, 3 mil); customizable for load-bearing needs - Size: Fully customizable (standard sizes: 8×10", 10×13", 12×15", etc.; expandable gusset width adjustable from 2" to 6") - Bag Type: Kraft paper mailer, courier bag, shipping envelope; expandable gusset + tear-off closure design - Features: Biodegradable, compostable (TUV EN13432/ASTM-D6400 certified), recycled material, expandable gusset (versatile for bulky items), tear-off opening, tear-resistant, water-resistant (coated surface), strong load-bearing capacity, long shelf life - Printing: Customizable (logo, brand graphics, eco-messages; up to 8-color printing for vivid results on grey kraft paper) - Packaging: Bulk packaging (customizable outer cartons); suitable for industrial express and retail use - Certifications: ISO9001, SGS, TUV, EN13432, ASTM-D6400, BPI, CNCERTCO - Usage: Clothing packaging, e-commerce shipping, courier delivery, bulky item mailing, retail product distribution Customization & MOQ - Customization Scope: Material blend, thickness, size (including gusset width), color (grey kraft or custom dyed), logo/printing (up to 8 colors), packaging type - Minimum Order Quantity: 10,000 pieces; Negotiable for large bulk orders - Sample Service: Free existing samples (buyer covers freight); Custom logo/design samples cost $180 (refundable after order confirmation) Supply & Delivery - Lead Time: 20 days (1-10,000 pieces); Negotiable for orders over 10,000 pieces - Delivery Terms: FOB, CFR, CIF, EXW - Payment Terms: T/T (30% deposit, balance against B/L copy), L/C at sight - Accepted Currencies: USD, EUR, CAD, AUD, CNY Quality Assurance Produced with strict quality control systems, including tear resistance checks, load-bearing verification, water resistance testing, and compostability validation. The recycled grey kraft paper combined with compostable blends ensures natural decomposition within 3-6 months in compost/soil, reducing environmental impact. The expandable gusset design accommodates items of varying thicknesses, while the tear-off closure provides convenient opening for end-users. The water-resistant coated surface protects contents from moisture during transit, and customizable high-color printing supports brand visibility. Compliance with international certifications guarantees product reliability, and the customer-centric service approach ensures responsive support for bulk orders. Trusted by global clients, this mailer bag delivers consistent quality, sustainability, and versatility for eco-friendly packaging needs.