?Product Specifications Material?Metal Product size:18" W x48" D x82" H (with casters) Capacity:350 lbs per shelf NSF Certified ?Product Features Easy to assemble, no tools needed. Adjustable height shelves effective use of space for storage. Made of high-quality metal can protecting the wire shelving unit from any water and rust. and it is easy to clean. It is the perfect storage tool for clothes, books, and anything else that is taking up space in your home or office. The shelf is equipped with 4 feet leveler and 4 wheels, you can choose whether to install the wheels depends on what you like. Designed with reinforcement bars and strengthening threads to make it more load- bearing. Before you assemble it, please read the manual carefully. If you have any questions, please contact our customer service!