1. Invisible floating bookshelves These concealed floating bookshelves in L shape can be hidden behind books to create a floating view on your walls. More than a set of simple book organizers, these white concealed floating bookshelves also perform well in book displaying, enhancing your home decoration. 2. High loadbearing capacity Invisible Floating Bookshelves are made of premium metal with galvanized coating for durability and high loadbearing capacity. These concealed floating bookshelves require simple mounting steps. You just need to drill holes in the wall and fix each invisible floating bookshelf with 2 screws. After proper installation, every single floating bookshelf can hold up to 22 lbs./10 kg for at least 7 hardcovers or paperbacks. 3. Suitable for books of various sizes This set of 4 invisible floating bookshelves work well for books storage, suitable for pocketbooks, paperbacks, hardcovers and more on the market. Each metal bookshelf features a support plate of 10.2 cm/4 inches in length, capable of holding books from 10.2 cm/4 inches to 18 cm/7 inches in width. 4. Space Saving These invisible floating bookshelves can organize books vertically, fully utilizing the storage space on walls. With the small size, these invisible floating bookshelves can be mounted on narrow walls or wall corners. Compared with traditional bookcases, these small wallmounted bookshelves take up less space to keep your home tidier.