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 Base Material: Plastic, Silicone Features: Height Adjustable, Cooling, Mini Size, Portable Size: 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 items 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) 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.