Literature Mailer, Literature Mailer Type Standard, Wall Type Single Wall, Inside Length 19 in, Inside Width 12 in, Inside Height 2 1/2 in, Inside LxWxH 19x12x2-1/2 in, Board Test 32 ECT, Outside Length 19 3/4 in, Outside Width 12 1/2 in, Outside Height 2 3/4 in, Outside LxWxH 19-3/4x12-1/2x2-3/4 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