Invisible Design: This invisible floating bookshelf can give you a special way to store and display your book. When you stack your books on this metal floating shelves, you can find that the floating bookshelves become hidden behind the books which look like the books are floating on the wall. Space Saving: If a traditional bookcase is too large to your room, then this small floating shelves can perfectly meet you demand to store your books. Our invisible bookshelves can make full use of your wall space. What's more, each shelf can hold up to 12 kg of items. Easy to Assemble: All the components needed are in the package. The floating bookshelf is very easy to install, what you need to do is just mount them to the wall. You can set the shelves up in a few minutes. If any accessories are missing, please feel free to contact us. Multi-functional & Decorative: The floating wall shelves can not only store your books, but also can display your small figures and collections, hold your echo dot, smart speaker, baby monitor, security cameras, photo frames, plants, etc. It helps you keep everything orderly. Besides, it's a delightful decoration to your room. Durable and Sturdy: The wall mounted bookshelves are made of metal. According to our technical testing, each hidden bookshelf can hold up to 12 KG. Size: 16.3 x 11.2 x 9.8 cm.