This Wire Shelving is mobile for easier moving. The Polymer Cart is made of dishwasher safe polymer materials for easier cleaning. The Wire Shelving has 4 shelves. Includes 4 swivel caster with bumpers, 2 are locking, (4) posts, (16) collets. The Wire Shelving can hold up to 1000 pounds to hold more items. The Polymer Cart is 60 x 18 x 63 (L x D x H).