Mouse pad features the SmartFit System that allows you to select your personal height setting using the color-coded fitting chart so you can work with your mouse for extended periods in optimal comfort. Height-adjustable inserts can be stacked up to your comfort color to help you set your wrist at the correct angle while using your mouse to work better in comfort. The cool, soft cushioning adapts to the natural curves of your wrists for premium comfort & support while you're scrolling & clicking to take pressure off your joints. Antimicrobial surface resists stains & odors for a worry-free experience. Nonskid base prevents it from sliding for excellent stability while you work.