Characteristics and Interoperability SVEN MP44 CONTROL TYPE SURFACES Anti-slip base with edge stitching brash Size of Surface: 440 x 350 x 4 mm CHOOSE WHAT YOU PREFER The SVEN Series has four sizes. Unchangeable as a Rock Our mouse game pad's surface is fixed to one location by a non-slip rubber base. We made sure that no matter which Fantech surface you choose, no matter how wildly you move it, it will stay in place. Type of Design Control Edition Content: stiched edges Indeed. Lighting Not Measuring 440*350*4 mm 4 mm in thickness