Literature Mailer Literature Mailer Type Standard Wall Type Single Wall Inside Length 12 1/8 in Inside Width 9 1/4 in Inside Height 5 in Inside LxWxH 12-1/8x9-1/4x5 in Board Test 32 ECT Outside Length 12 7/8 in Outside Width 9 3/4 in Outside Height 5 1/4 in Outside LxWxH 12-7/8x 9-3/4x5-1/4 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