Features: brand and high quality It is made of high quality aluminum alloy material, stable and sturdy. The ergonomic height design offers you a comfortable observation and writing posture and relieves neck and back pain, pain on the wrist and eyes. With upgrade rubber skid pad, traceless anti-slip and more durable. The portable holder keeps the laptop away from the desktop and provides more space for heat dissipation. Folding design does not take up space, suitable for carrying on with everywhere. Package Includes: 2 x Holders Specifications: Colour:Silver Material:Aluminum Alloy Size:pls See the Pictures Package Weight:38g Quantity:2PCS Rise Height: 40mm note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. Pls understand. The measurement allowed error is +/- 1-3cm. Thank you.