Literature Mailer Literature Mailer Type Standard Wall Type Single Wall Inside Length 7 1/2 in Inside Width 7 in Inside Height 3 1/4 in Inside LxWxH 7-1/2x7x3-1/4 in Board Test 32 ECT Outside Length 8 1/4 in Outside Width 7 1/2 in Outside Height 3 1/2 in Outside LxWxH 8-1/4x7-1/2x3-1/2 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