Double-layer floating wall shelves give you twice the display space without wasting an inch of wall. Use them in living rooms, bedrooms, bathrooms, closets, kitchens or bars for books, photos, plants or toiletries. Sturdy particleboard and metal frames hold 40 lb each smooth surfaces wipe clean in seconds. Two kinds of expansion screws fit both solid and hollow walls, and all hardware plus step-by-step instructions are included for fast setup. Length: 5.30 inch. Width: 15.00 inch. Height: 15.70 inch. Weight: 0.01 pounds.