Wonderful spacious corner shelving unit. These 4 curved shelves are beautifully placed to utilize any corner space in the home for your shelving needs. The uprights are pre-drilled for the screws to attach to the wall. The hardware comes with drywall anchors so all you need is a drill, drill bit, and screwdriver to fasten the unit to the wall. Constructed of composite board and highly durable PVC laminate. Clean with a dry non abrasive cloth. Assembly required.