Descriptions: 1. Set of four contoured ledge style shelves 2. Various floating shelf lengths create an eclectic look 3. Floating ledges enhance your home d¨¦cor 4. Practical as it is beautiful,4 Piece Ledge Set finished in black polystyrene, will provide an elegant display of your favorite photos or small knick knacks! These contoured ledges come in various lengths to create an eclectic look. 5. Dimensions: Shelf set includes 6x4x2.76", 12x4x2.76", 20x4x2.76" and 24x4x2.76" 6. Color: White 7. The set includes one each 6-inch by 2 4/5-inch by 4-inch shelf with a max weight of 10 lb; 12-inch by 2 4/5-inch by 4-inch shelf with a max weight of 5 lb; 20-inch x2 4/5-inch by 4-inch with a max weight of 5 lb; and 24-inch by 2 4/5-inch by 4-inch with a max weight of 5 lb. Mounting instructions and hardware are included.