Stayflats Self-Seal Flat Mailers, 17" x 21", White, PK100 RM7PS

Mailer Envelopes, Material Chipboard, Mailer Type Flat, Closure Style Self Sealing, Color White, Usable WxL 17 in x 21 in, Usable Width 17 in, Usable Length 21 in, Outside WxL 17 in x 21 in, Outside Width 17 in, Outside Length 21 in, Mailer Number Not Applicable, Bubble Size Not Applicable, Material Thickness 0.02 in, Post-Consumer Recyclability 97 Percent, With Tear Strip Yes, Pre-Printed Address Lines No, Package Quantity 100