Soothing gel comfort with buttery soft leatherette covering encourages neutral wrist posture and is easy to keep clean. Anti-microbial product protection inhibits the growth of microorganisms， such as bacteria， that can cause stains， odors and product degradation. Precise Battery Saving Mousing Surface improves tracking of optical mice and extends the battery life of wireless mice up to 75-Percent. Non-skid base. Contains 25-Percent preconsumer recycled content. Model no.: MW309LE. Size: ? 8.62 inches x 6.75 inches x .75 in.