Water proof material Tightly weaved water proof material prevents water leaking through. Preventing any damages to the Nemesis mouse mat. Heavy duty rubber grip Rubber material on the bottom of the Nemesis mousepad reduces movement caused by heavy gaming. Threaded edges Carefully weaved edges on the Nemesis mouse-mat prevents fraying of the surface fabric giving it a much longer lifespan. Smooth surface The silky smooth surface on the Nemesis mousepad provides steady and steady operation for the mouse. Large size At a whopping size of 430mm * 320mm the Nemesis gaming mouse mat gives plenty of room for games require wide range of movement. *Mouse not included