16-gauge steel shelves with 2 1/2" high lip. 1 1/2" x 1 1/2" x 12-gauge formed steel posts. 1 1/4" diameter tubular steel handle. Top and middle shelves can be installed lip up or down. Two rigid and two swivel bolted-on casters. Easy-to-assemble shipped knocked-down design. Durable Kleton blue powder coat finish. 5" Blue elastic rubber casters. Size: 18"W x 30"D.