Material: Our under-desk stand is made of high quality material, which is not easy to damage or rust compared to others. Design: Under-desk laptop stand ergonomic storage solution mounts securely under your desk, store your laptop under the desk to free up desk space, make use of the wasted space under the desk. Installation: Place the laptop in the holder and mark the brackets under the desk. Place each bracket on the marked locations. Secure each bracket with screws. Type: Under-Desk Laptop Stand Color: Black Material: Metal Size: 10 x 3 x 3.3 cm Package Contents: 3 x Under-Desk Laptop Stand 6 x Screws The above package content only, 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 allowable measurement error is +/- 1-3 cm.