Shipping Box, Wall Type Single Wall, Inside Length 40 in, Inside Width 30 in, Inside Height 30 in, 40x30x30 in Inside LxWxH, 32 ECT, RSC, Outside Length 40 3/8 in, Outside Width 30 3/8 in, Outside Height 30 5/8 in, 40 3/8×30 3/8×30 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 37 in to 58 in Length Shipping Boxes