Kiera Grace Sila S-Wall Shelves, 21-Inch by 4.75-Inch, Black, Set of 2 Easy to hang corner shelves using keyholes on the back Set of 2 S-shaped wall floating shelves. Product dimensions: 21"Lx 4"D x 4.75"H Maximum weight capacity: 10 lbs per shelf Hanging hardware included No assembly required