Book Shelf Wall Mounted Metal Invisible Book Shelves ( Multipurpose Shelf ) INVISIBLE DESIGN - The product is a floating bookshelf designed to be mounted on a wall and hidden behind a stack of books. Made of strong MS metal and supports up to 5 kg of weight, not just for books great option for showcasing ornaments, cds, dvds and more. SPACE SAVING - Space-saving design for placing books and novels. This space saving design stacks books vertically in a tower, and it would be a great addition to any room. EASY ASSEMBLING - Simple line design is easy to assemble and install. SPECIFICATIONS - Material: MS Metal, Color: Black.