Material:Our under desk holder made of high quality material, Which is not easily damaged and rusted compared. Design:Under desk laptop holder ergonomic storage solution mounts securely under your desk,store your laptop under the desk to free up desk space,utilize the wasted space under the desk. Install:Place the laptop in the holder and mark the brackets locations under the desk.place each bracket to the marked locations.Secure each bracket by screws. Type: Under Desk Laptop Holder Mount color:Black Material:Metal size:10 x 3 x 3.3cm Package Contents: 3 x Under Desk Laptop Holder Mount 6 x Screws 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.