Literature Mailer Literature Mailer Type Standard Wall Type Single Wall Inside Length 10 1/4 in Inside Width 8 1/4 in Inside Height 4 in Inside LxWxH 10 1/4 x 8 1/4 x 4 in Board Test 32 ECT Outside Length 11 in Outside Width 8 3/4 in Outside Height 4 1/4 in Outside LxWxH 11x8-3/4x4-1/4 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