White Literature Mailing Boxes, 11 1/2" x 11 1/2" x 3 3/4", Pack of 50, Crush-Proof, For Shipping, Mailing and Storing

Literature Mailer, Literature Mailer Type Standard, Wall Type Single Wall, Inside Length 11 1/2 in, Inside Width 11 1/2 in, Inside Height 3 3/4 in, Inside LxWxH 11-1/2x11-1/2x3-3/4 in, Board Test 32 ECT, Outside Length 12 1/4 in, Outside Width 12 in, Outside Height 4 in, Outside LxWxH 12-1/4x12x4 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