Shipping Box, Box Style Heavy Duty, Wall Type Double Wall, Inside Length 12 in, Inside Width 12 in, Inside Height 16 in, 12x12x16 in Inside LxWxH, 48 ECT, RSC, Outside Length 12 3/4 in, Outside Width 12 3/4 in, Outside Height 17 in, 12 3/4×12 3/4×17 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 12 in to 13 in Length Shipping Boxes