Invisible L-shaped floating bookshelves are concealed behind books to create a floating wall display. They are more than simple organizers, enhancing your home decor while keeping your titles accessible. High load-bearing capacity: crafted from premium metal with a galvanized coating for durability. Simple mounting: drill two holes in the wall and fix each shelf with two screws. Each shelf can hold up to 22 lbs / 10 kg for at least 7 hardcovers or paperbacks. Suitable for books of various sizes: set of 4 shelves. Each metal shelf features a 10.2 cm / 4 in long support plate, able to hold books from 10.2 cm / 4 in to 18 cm / 7 in in width. Space-saving design: organizes books vertically to maximize wall storage. Small footprint lets you mount on narrow walls or corners, keeping your space tidier than traditional bookcases. Use scenarios: - Living room: create a floating display by arranging favorites behind other titles on a living room wall. - Home office or hallway: maximize a narrow wall space with a compact display for pocketbooks, paperbacks, and hardcovers. - Bedroom or dorm: keep bedtime reading within reach on a small wall-mounted shelf cluster.