Shipping Box, Box Style Heavy Duty, Wall Type Double Wall, Inside Length 24 in, Inside Width 20 in, Inside Height 12 in, 24x20x12 in Inside LxWxH, 48 ECT, RSC, Outside Length 24 3/4 in, Outside Width 20 3/4 in, Outside Height 13 in, 24 3/4×20 3/4×13 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