Shipping Box Top Box Style Telescopic Wall Type Single Wall Inside Length 37 1/2 in Inside Width 4 1/2 in Inside Height 30 in 37 1/2x4 1/2x30 in Inside LxWxH 32 ECT HSC Outside Length 37 7/8 in Outside Width 4 7/8 in Outside Height 30 5/8 in 37 7/8x4 7/8x30 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