The front side is made of sponge and cloth, which is comfortable to use. It can help your mouse to track and click accurately and is an excellent companion for your mouse. The back side is made of duprene rubber, which can prevent your mouse pad moving. It has designed with a wrist rest to make you comfortable. Item Name: Mouse Pad Front Side Material: Sponge, Cloth Back Side Material: Neoprene Features: Comfortable to Use, Anti-slip, Computer Accessory Size: 25cm x 20.5cm/9.84" x 8.07" (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 Mouse Pad (Mouse Not Included)