The storage and organization possibilities are endless with these heavy duty General Purpose Folding Shelves by Mac At Home. The "Origami Shelves" open and close in seconds, fold flat for easy storage, with no tools required for set up. Each shelf capacity is 250 lbs on even level surfaces without wheels, and 75 lbs per shelf with wheels installed. Constructed of steel with pewter finish. Measures 62.5"H x 35.8"W x 20.85"D overall. Assembly level/degree of difficulty: No Assembly Required.