Shipping Box Box Style Heavy Duty Wall Type Double Wall Inside Length 24 in Inside Width 20 in Inside Height 20 in 24x20x20 in Inside LxWxH 48 ECT RSC Outside Length 24 3/4 in Outside Width 20 3/4 in Outside Height 21 in 24 3/4x20 3/4x21 in Outside LxWxH Wall Thickness 1/4 in Fluting Profile C Flute Maximum Load Capacity 100 lb Material Corrugate Color Kraft Post-Consumer Recyclability 100 Percent Standards ASTM D5118 Inside Length Range 23 in to 26 in Length Shipping Boxes