Set of 3 Floating Wall Shelves in Light or Dark Colors. Each shelf is a different size: Large: 16.5 x 6 x 4.8 inches Medium: 14.2 x 6 x 4.8 inches Small: 11.4 × 6 × 4.8 inches Max Weight Capacity : 40lb. each shelf. Made of Paulownia wood. Can be mounted over or under brackets. In the box: 3 Paulownia wood boards 6 Metal brackets 15 big screws 15 dry wall anchors 15 small screws Instruction manual