Shipping Box Wall Type Single Wall Inside Length 15 in Inside Width 15 in Inside Height 20 in 15x15x20 in Inside LxWxH 32 ECT RSC Outside Length 15 3/8 in Outside Width 15 3/8 in Outside Height 20 5/8 in 15 3/8x15 3/8x20 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 14 in to 16 in Length Shipping Boxes