1. The size of the wall-mounted shelf is about 38x3.3cm, including accessories screws. 2. Transparent wall mounted bookshelf helps you create a reading nook when displaying your child's favorite books. 3. You can place these shelves in a wall space or unfold them into your home for a functional and inexpensive storage solution. 4. The invisible floating stand is perfect for displaying small car collectibles, photo frames, collectibles, pop-figures, album records, , mini action figures or bobbleheads. Your child can easily see and reach the toy. Material: acrylic colour:transparent Package Contents: 4 x storage racks Only the above package content, other products are not included. Note: Light 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.