Mailer Envelopes, Material Chipboard, Mailer Type Flat, Closure Style Self Sealing, Color White, Usable WxL 6 in x 6 in, Usable Width 6 in, Usable Length 6 in, Outside WxL 6 in x 6 in, Outside Width 6 in, Outside Length 6 in, Material Thickness 0.02 in, Post-Consumer Recyclability 97 Percent, With Tear Strip Yes, Pre-Printed Address Lines No, Package Quantity 200.