#3 Tear-Proof Polyethylene Mailers (9"x12") - 1000 per case

Mighty Gadget® self-sealing poly mailers are the perfect solution for shipping non-fragile items. These lightweight, cost-effective postal bags help you save on shipping costs without compromising durability. Made from high-quality polyethylene film, they offer excellent puncture resistance, tear strength, and moisture protection.

The strong self-seal adhesive closure ensures tamper-evident security, preventing reopening once sealed. Labels and self-stick stamps adhere securely to the smooth surface, making packaging hassle-free. Plus, these opaque mailers provide privacy for your shipments and are 100% recyclable.

Upgrade your shipping process with Mighty Gadget® poly mailers—reliable, eco-friendly, and built for secure deliveries.