The Poly Mailer Shipping Bag is a reliable and efficient choice for sending items through postal or courier services. Crafted from polyethylene material, these bags are lightweight yet sturdy, offering protection against moisture, tearing, and punctures. The self-sealing adhesive strip ensures a secure closure, making them easy to use and tamper-resistant. The lightweight design helps reduce shipping costs while providing a sleek and professional appearance. Available in various sizes and styles Package of 100 poly mailers Usable size: 7.75" x 10" (20 x 26 mm) Overall size: 7.75" x 10" plus a flap of 1.5" (20 x 26 cm + flap 4cm) Strong mailers in 2 mil thickness Water and tear resistant exterior Self seal and super stick for quick packaging and worry-free shipping Lightweight postage saving About Zakka Canada: Local Canadian business. Serving retailers since 2007. We ship all orders from our warehouse in Toronto. Showroom visit and warehouse pickup are welcome.