Flat Poly Mailers

Flat Poly Mailers – Lightweight & Waterproof Shipping Bags

Flat poly mailers are a cost-effective, lightweight shipping solution for businesses that need fast, reliable, and professional packaging. Made from strong polyethylene film, these flat shipping mailers are tear-resistant, puncture-resistant, and fully waterproof—protecting shipments from moisture, dirt, and handling damage during transit.

Designed for high-volume shipping, our flat poly mailers feature a permanent self-seal adhesive strip for quick packing and secure closure. Their slim profile helps reduce dimensional weight, making them ideal for lowering shipping costs on domestic and commercial deliveries. These plastic shipping mailers are commonly used for shipping clothing, apparel, soft goods, documents, textiles, and non-fragile products.

PolyPaper flat poly mailers are available in multiple sizes and popular colors such as light gray and black, making them suitable for e-commerce stores, warehouses, fulfillment centers, retailers, and wholesale distributors. Whether you need poly mailers in bulk, wholesale poly mailers, or reliable shipping bags for daily operations, our flat poly mailers deliver consistent quality and performance.

Buy flat poly mailers in bulk and streamline your packaging process with durable, professional shipping mailers built for speed, protection, and efficiency.