Aegis™ Microbe Shield treated (anti-microbial) protection prohibits bacteria and algae growth on the pad surface. It's a mouse pad and wrist rest all in one so there's no need to buy separate supports. Temperature sensitive Visco Elastic Memory Foam provides maximum comfort on wrist or palms; recognizes and relieves local pressure when in use. "Five Star" seal of ergonomic excellence by the Oxford Research Institute for design, quality and comfort. Mouse pad can be positioned in a variety of angles. Large mouse surface offers a wide range of motion with minimal shoulder and wrist strain. Wrist Filling Material: Gel; Mouse Pad/Wrist Rest Type: Mouse Wrist Rest; Color(s): Black.