White Corrugated Cardboard Literature Mailer Box, 12" L x 12" W x 1 1/4" H, Pack of 50, Crush-Proof, for Shipping and Mailing UPS, USPS and FedEx

Literature Mailer, Literature Mailer Type Standard, Wall Type Single Wall, Inside Length 12 in, Inside Width 12 in, Inside Height 1 1/4 in, Inside LxWxH 12x12x1-1/4 in, Board Test 32 ECT, Outside Length 12 3/4 in, Outside Width 12 1/2 in, Outside Height 1 1/2 in, Outside LxWxH 12-3/4x12-1/2x1-1/2 in, Wall Thickness 5/32 in, Fluting Profile B Flute, Maximum Load Capacity 65 lb, Material Corrugate, Color White, Post-Consumer Recyclability 100 Percent, Standards ASTM-D-5118