Poly Mailers, Material Poly, Closure Style Self Sealing, Color White, Usable WxL 11 in x 13 in, Usable Width 11 in, Usable Length 13 in, Outside WxL 11 in x 13 in, Outside Width 11 in, Outside Length 13 in, Material Thickness 0.003 in, With Tear Strip Yes, Pre-Printed Address Lines No, Package Quantity 100