MetroMax i X556EFX3 4-Shelf Industrial Plastic Shelving Mobile Cart, Solid Shelves, 24" x 48" x 67.3125" The strongest, most versatile, corrosion proof shelving system in the world. All polymer shelving constructed of advanced polymers and Type 304 stainless corners. Shelves adjust in 1" increments. One-piece solid mats offer maximum spill retention. Lifetime warranty against rust and corrosion. Built-in Microban antimicrobial product protection to keep the product "cleaner between cleanings". Includes 2 swivel and 2 swivel/brake casters. Metro Product Type:Stem Caster Cart, Solid Shelves Material:Polymer/Type 304 Stainless Steel Color:Taupe/Blue Warrenty:Product will be free from defects in material and workmanship under normal use, service and maintenance for a period of one (1) year from the date of shipment of the Product by Seller, unless otherwise specified by Seller in writing. The shelves also carry a lifetime warranty against rust formation and corrosion.