Shipping Box Box Style Long Wall Type Single Wall Inside Length 12 in Inside Width 3 in Inside Height 3 in 12x3x3 in Inside LxWxH 32 ECT RSC Outside Length 12 3/8 in Outside Width 3 3/8 in Outside Height 3 5/8 in 12 3/8x3 3/8x3 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 12 in to 13 in Length Shipping Boxes