Shipping Box Wall Type Single Wall Inside Length 16 in Inside Width 12 in Inside Height 4 in 16x12x4 in Inside LxWxH 32 ECT RSC Outside Length 16 3/8 in Outside Width 12 3/8 in Outside Height 4 5/8 in 16 3/8x12 3/8x4 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