Shipping Box Wall Type Single Wall Inside Length 20 in Inside Width 20 in Inside Height 15 in 20x20x15 in Inside LxWxH 32 ECT RSC Outside Length 20 3/8 in Outside Width 20 3/8 in Outside Height 15 5/8 in 20 3/8x20 3/8x15 5/8 in Outside LxWxH Wall Thickness 1/8 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 20 in to 22 in Length Shipping Boxes