Features: brand new and high quality Material:The under desk holder made of high quality plastic, Which is not easily damaged and rusted compared to other materials. Package:The package include 3 pcs black under desk storage and 6 pcs screws.Each under desk storage shelf 4" long,1.2" wide,1.3" tall. Design:The 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 with screw driver. Gift: The best gift choice for your relatives and friends at Christmas and Thanksgiving. Specifications: Material: Plastic Color:Black Size: Approx.10.16x3x3.3 for cm/4x1.2x1.3 inches Package Includes: 3x Storage Holders 6x Screws note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.