This Wire Shelving is made of dishwasher safe polymer material for easier cleaning. The Polymer Cart is mobile for easier moving. The Wire Shelving is 18 x 36 x 63 (L x D x H). The Polymer Cart can hold up to 1000 pounds. The Wire Shelving requires no tools for assembly. Complete kit includes: (4) vented shelves, (4) posts, (16) Collets, and (4) 5" Dia. swivel casters with bumpers, 2 are locking.