Space Saving: floating bookshelf allows you to utilize empty wall space. Perfect for small that are not quite enough for a bookcase. Durable: Made of stainless steel with antirust coated, each bookshelf can support up to 13.5kg of books Easy Installation: with screw, very easy and quick to install. Design: By stacking on to the sturdy metal L shaped shelf, the shelf will become the books, this allows to appear as though they are floating on your wall. Great way to and display your favorite books. size: 107 x 69 x 69MM Material: stainless steel colour: black Package Contents: 2 x bookshelf with screw Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.