The package includes 8 clear acrylic record displays and a set of mounting accessories (16 screws + 16 expansion tubes + 32 pieces of 3M foam adhesive stickers). The dimensions of the acrylic shelves are 30.5 x 4.3 x 4.3cm/12 x 1.7 x 1.7 inches (if in doubt about the dimensions, please refer to the dimensions picture), you will need to drill an anchor hole before installation.Our clear shelves are made from high quality lightweight acrylic, which is robust, safe, non-toxic and odourless, lighter than glass or wood and has superb light transmission. This 'invisible', transparent acrylic shelf is sure to complement any décor, while the floating design adds a touch of sophistication to your space.Our vinyl wall mount comes with matching mounting hardware, all you need to do is drill a hole before mounting, drill the hole and mount it with our screws (for rough walls) or just mount it with the 3M foam adhesive stickers we come with (for smooth walls). Our vinyl shelf has anti-scratch protective film on both sides, please peel off the film when in use.