BSTECH PollyMailers XL 50 pcs Poly Mailer Shipping Bag 400x500 mm White/Grey

The BSTECH PollyMailers XL 50 pcs are high-quality poly mailer shipping bags designed for secure and efficient e-commerce packaging. Made from durable low-density polyethylene (LDPE), these mailers offer excellent water resistance, tear resistance, and tamper-evident security. Each pack contains 50 pieces with external dimensions of 400 x 500 mm and a usable area of 390 x 490 mm, making them ideal for shipping documents, apparel, and soft goods up to 2 kg.

Advantages

These poly mailers provide a lightweight yet robust packaging solution that reduces shipping costs while protecting contents. The self-seal adhesive strip ensures quick and easy closure without additional tape, and the tamper-evident seal enhances security. The white exterior with grey interior offers a professional appearance and opacity for privacy.

Suitable for

• E-commerce businesses shipping apparel, accessories, and soft goods
• Mailing documents, books, and non-fragile items
• Retailers needing cost-effective, water-resistant packaging

Key specifications

• Material: Low-Density Polyethylene (LDPE)
• External Dimensions (W x L): 400 x 500 mm
• Usable Dimensions (W x L): 390 x 490 mm
• Quantity per Pack: 50 pieces
• Exterior Color: White
• Interior Color: Grey
• Closure Type: Self-Seal Adhesive Strip
• Material Thickness: 60 microns (2.36 mil)
• Water Resistance: Yes
• Tear Resistance: High
• Puncture Resistance: Moderate
• Opacity: 100% Opaque
• Security Feature: Tamper-Evident Seal
• Recyclability: Yes (LDPE #4)
• Weight Capacity: Up to 2 kg
• Adhesive Type: Hot Melt Adhesive
• Surface Finish: Smooth, Matte
• Printable Surface: Yes (for labels, markers)

Recommendations

For optimal performance, store in a cool, dry place away from direct sunlight. These mailers are not recommended for sharp or heavy items exceeding 2 kg. Always test adhesion on a sample before bulk use.