MetroMax 4 X546G4 4-Shelf Plastic Industrial Shelving Starter Unit, 24" x 42" x 63" 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." Starter unit consists of four posts and the indicated number of MetroMax 4 shelves. Metro Product Type:Starter Unit 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 Product also carries a lifetime warranty against rust formation and corrosion.