DIAMETER: 8.66 Inch/220 mm. Noise-reduction feature mouse pad for home,office,business,school and gaming. It is compatible with all mice (wired mouse and wireless Bluetooth mouse). PREMIUM MATERIAL: the working side is made of PU leather material; this mouse pad is durable,waterproof and wear-resisting. Unique chic aesthetic looks for the mouse pad will be a spotlight on your desktop. The bottom side is non-slip rubber base. SUPERIOR PERFORMANCE: the smooth PU texture surface not only makes the accurate and relaxed control on mouse,also can be cleaned and wiped easily. STRUCTURE: the PU pad and the rubber base are sewn durable line. The sewing seam line is beautiful and neat. This mouse pad can be used to all kind of desktop (glass,wooden,plastic and paper etc.) The waterproof mouse pad is easy to clean and wipe..