Mailer Envelopes, Material Chipboard, Mailer Type Flat, Closure Style Self Sealing, Color White, Usable WxL 22 in x 27 in, Usable Width 22 in, Usable Length 27 in, Outside WxL 22 in x 27 in, Outside Width 22 in, Outside Length 27 in, Material Thickness 0.02 in, Post-Consumer Recyclability 97 Percent, With Tear Strip Yes, Pre-Printed Address Lines No, Package Quantity 50.