Kensington K62813US Memory Foam Wrist Rest Pillow -Black Black, lycra cover repels sweat and dirt to keep Wrist Pillow soft over time Designed to support wrists when using both keyboard and numeric pad, compatible with all keyboard sizes and types Give your wrists maximum support with memory foam. Temperature and pressure-sensitive memory foam molds to the contours of your wrists Relieves wrist discomfort throughout the day and is hypoallergenic for sensitive skin Rigid non-skid base keeps wrist rest firmly in place