Adjustable Gel Mouse Wrist Rest - Black Support your wrists at optimum height for better positioning. EasyFlip--- feature is built-in to allow for flexibility in height (1-1/8" and 1-1/2"). Gel wrist rest is covered in soft micofiber cloth to provide ultimate comfort while the frame adds stability and durability. Non-glossy mousing surface enables superb optical mousing performance. Non-skid base keeps wrist rest secure. Gel is semi-solid so it will not leak if punctured. Features No-leak gel rest provides 2 built-in height options (1-1/8" and 1-1/2") to ensure optimal typing angle. Microfiber cloth cover wicks away moisture and dirt, keeping wrist support soft and comfortable. Non-glossy mousing surface delivers superior optical mousing performance. Non-skid base holds wrist rest in place.