Shipping Box, Wall Type Single Wall, Inside Length 20 in, Inside Width 18 in, Inside Height 10 in, 20x18x10 in Inside LxWxH, 32 ECT, RSC, Outside Length 20 3/8 in, Outside Width 18 3/8 in, Outside Height 10 5/8 in, 20 3/8x18 3/8x10 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