This 6 tier rack is suitable to be placed in the hall, living room, bed room, etc. When assembled has strong stability since its designed with removable built-in fittings making it more stable and durable than using self-tapping screws. All fittings have been treated for rust prevention therefore you don’t have to worry about rusting. Suitable for use as shoe storage made from Non-woven Fabric , PP Plastic , Metal Construction 100% and high quality, durable!