Corrugated Cardboard Multi-Depth Shipping and Mailing Boxes, 18" L x 18" W x 6" H, Brown/Kraft, Easy-to-Assemble, Great for Small Businesses (Pack of 20)

Multi Height Shipping Box, Box Style Multi-Height, Wall Type Single Wall, Inside Length 18 in, Inside Width 18 in, Inside Height 2 in, 4 in, 6 in, 18x18x6-2 in Inside LxWxH, 32 ECT, RSC, Outside Length 18 3/8 in, Outside Width 18 3/8 in, Outside Height 2 in, 4 in, 6 in, 18 3/8x18 3/8x6, 2 in, 4 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