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 predrilled 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.