Kensington Memory Foam Mouse Wrist Pillow - BlackHypoallergenic memory foam is the best choice to relieve wrist discomfort by providing maximum support for your joints. Non skid base keeps mouse pad firmly in place. 5 year limited warranty with free technical support Black, lycra cover repels sweat and dirt to keep Wrist Pillow soft over time Rigid non skid base keeps mouse pad firmly in place, and non glossy surface ensures top optical mice performance Large rest surface eliminates pressure points