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)