The Grainger Approved Plastic Shelf is a 14" deep plastic shelf with 5 adjustable height positions. It is made of high-density polyethylene and has a weight capacity of 800 lbs per shelf level. The overall dimensions are 36"W x 14"D x 74"H. This plastic shelving unit can be used for storage and organization in various settings like garages, basements, sheds, warehouses, and more. The shelf comes ready to assemble and includes plastic sleeves to protect shelving contents.