Shipping Box Wall Type Single Wall Inside Length 28 in Inside Width 28 in Inside Height 12 in 28x28x12 in Inside LxWxH 32 ECT RSC Outside Length 28 3/8 in Outside Width 28 3/8 in Outside Height 12 5/8 in 28 3/8x28 3/8x12 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 27 in to 36 in Length Shipping Boxes