Literature Mailer Literature Mailer Type Standard Wall Type Single Wall Inside Length 17 1/4 in Inside Width 11 1/4 in Inside Height 6 in Inside LxWxH 17-1/4x11-1/4x6 in Board Test 32 ECT Outside Length 18 in Outside Width 11 3/4 in Outside Height 6 1/4 in Outside LxWxH 18x11-3/4x6-1/4 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