MetroMax 4 X566PG4 4-Shelf Industrial Plastic Shelving Mobile Cart, Open Grid Shelves, 24" x 60" x 67.3125" Corrosion-proof performance, proven Metro stability, and unrivaled value. All polymer shelves with removable, easy-to-clean 6" wide shelf mats. Shelves adjust in 1" increments. 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, Open Grid Shelves Material:Polymer 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.