Hey there! These 10x13” 15 Poly Mailer shipping bags are lightweight, durable, and water-resistant perfect for shipping clothing products, accessories and other non-fragile items. They also come with a self-adhesive strip for secure closure. Our Christmas Tree Poly Mailers are made with the best quality material to make sure that your products are in full protection from any punctures or tears. Materials: Waterproof, Tearproof, Lightweight, Self-Adhesive, Disposable, Recyclable, Durable, Eco-friendly. Size: 10x13 inches Features : -Strong Adhesive, Tear-Proof, Opaque, No Smell. -Durable & Waterproof material to keep packages safe throughout shipment. -Self-adhesive flap for easy and secure closure. -Recyclable.