Shipping Box Wall Type Single Wall Inside Length 19 in Inside Width 12 in Inside Height 3 in 19x12x3 in Inside LxWxH 32 ECT RSC Outside Length 19 3/8 in Outside Width 12 3/8 in Outside Height 3 5/8 in 19 3/8x12 3/8x3 5/8 in Outside LxWxH Wall Thickness 5/32 in Fluting Profile C Flute Maximum Load Capacity 65 lb Material Corrugate Color Kraft Post-Consumer Recyclability 100 Percent Standards ASTM D5118 Inside Length Range 17 in to 19 in Length Shipping Boxes