REDUCE WRIST STRESS - Our specially designed support pads are great when typing for long periods of time or surfing the internet. Memory foam wrist guards conform to the curves of your hands and help reduce wrist pressure that could lead to repetitive motion disorders. DIMENSION - Wrist Response Keyboard: 17.12 x 3.34 x 0.98 inch (approx. 43.5 x 8.5 x 2.5 cm), Mouse Wrist Pad: 9.84 x 9.05 x 0.98 inch (approx. 25 x 23 x 2.5 cm). The wrist rest keyboard it is fits all types of keyboards. ERGONOMIC DESIGN - special wave pattern support to help alleviate wrist fatigue and relieve aches and pains due to long hours of typing. MEMORY FOAM - Memory foam molds to the hand in response to heat and pressure, evenly distributing body weight. It then returns to its original shape once you remove the pressure. In addition to preventing shocks, these properties make memory foam very comfortable. NON-SLIP MATERIAL - Non-slip rubber base provides a great grip preventing any sliding or unwanted movement of the keyboard buttons and the mouse. Double glue and hand press to edge to provide flat, smooth edges and will not wrap or split open.