Literature Mailer Literature Mailer Type Standard Wall Type Single Wall Inside Length 30 in Inside Width 24 in Inside Height 4 in Inside LxWxH 30x24x4 in Board Test 32 ECT Outside Length 30 3/4 in Outside Width 24 1/2 in Outside Height 4 1/4 in Outside LxWxH 30-3/4x24-1/2x4-1/4 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