Greenco Set of 3 Floating U Shelves, Espresso Finish Set of 3 size shelves Made of durable MDF laminate Beautiful espresso finish that suits almost any decor Easy to mount with all necessary hardware Included Decorative and functional for your home, office, or dorm room Measurements; Large-16.85 x 4 x 4. Medium-12.87 x 4 x 3.5. Small-9 x 4 x 2.83 inches