Specifications:Computer cooling base can help you improve sitting posture, bid farewell to bad habits.Reasonable perspective lets the eyes look at the screen and gives you a comfortable working posture.Made of premium plastic and silicone, it is durable.It is easy to put in a bag or pocket and carry it with you when you go out.Cooling base has pad heat dissipation and lower temperature.Item Name: Computer Cooling BaseMaterial: Plastic, SiliconeFeatures: Height Adjustable, Cooling, Mini Size, PortableSize: 2.9cm x 2.8cm x 7.9cm/1.14" x 1.1" x 3.11" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Computer Cooling Base(Others Not Included)