Artori Design Supershelf - Black Metal Superhero Floating Bookshelf, Concealed, Hidden Shelf, Unique Book Shelves, Gifts for Geeks, Gifts for Book Lovers, Cool Book Stacker Stopper Supershelf: Special bookshelf that gives a feeling it is floating in the air and the superhero character seems to easily stop the books from falling. An uncommon bookshelf that book lovers and super heroes fans can't remain indifferent to Makes an unusual gift and serves as a great conversation piece. Made of metal; painted black Max. weight 3.5 kg.