Size 10.2 x 8.2 inches 3mm thickness. Rounded corners 4 corners with mouse curvature design compared to the right angle square they use the same area but occupy a smaller areaUniversal Non-Slip Rubber Base Dense backing and non-slip natural rubber cushioning base enhance friction and grip the desktop firmly. Suitable for all types of surfacesWaterproof and easy to clean Waterproof coating prevents liquid spills from causing accidental damage waterproof dustproof and sweatproof. Ultra-Smooth SurfaceMouse pad surface is treated with 230°F high temperature and pressure for denser texture. 230°F high temperature and pressure for denser texture.