Literature Mailer Literature Mailer Type Standard Wall Type Single Wall Inside Length 13 in Inside Width 13 in Inside Height 2 in Inside LxWxH 13x13x2 in Board Test 32 ECT Outside Length 13 3/4 in Outside Width 13 1/2 in Outside Height 2 1/4 in Outside LxWxH 13-3/4x13-1/2x2-1/4 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