Poly Mailer, Material Poly, Mailer Type Bubble, Closure Style Self Sealing, Color White, Usable WxL 7 1/4 in x 10 1/2 in, Usable Width 7 1/4 in, Usable Length 10 1/2 in, Outside WxL 7 1/4 in x 12 in, Outside Width 7 1/4 in, Outside Length 12 in, Mailer Number #1, Bubble Size 5/16 in, With Tear Strip Yes, Pre-Printed Address Lines No, Package Quantity 50