This listing is for 10 10″ x 13″ (Interior Measurement) Self Sealing Poly Mailers. TThese light weight yet very high quality durable mailers consist of 3 layers of polyethylene which is highly resistant to puncture, moisture, and tearing. The interior side of each is a dark silver color to protect privacy. Also features a self-seal adhesive flap that is pressure-sensitive as well as tamper-evident. These bags are of a 2.5 mil. thickness which is the best quality for peace of mind in the transit of your items. Lighter Weight Packaging Saves $$ on Shipping Costs! Flat Rate Shipping for this auction is 5.75 for the continental US. For international shipping quotes, combined shipping quotes or any other questions ——–>Click here to Contact Express Shipping Supply Click Here To Visit My Store. Shipping Automation by Teapplix IntelliShip