MetroMax i shelving offers lifelong durability - the strength of steel and a lifetime warranty against rust and corrosion. Shelves are built of advanced polymers with type 304 stainless steel corners. Posts are all-polymer. Removable polymer shelf mats and smooth surfaces promote easy routine cleaning and protect packaged supplies from unwanted damage. Ideal for general wet or humid environments, walk-in coolers, sterile areas, and chemical storage. f