SteelSeries 63825 QCK Prism Medium Cloth RGB Mouse Pad: Legendary SurfaceLegendary Micro-Woven ClothWith over 10 million sold, the SteelSeries QcK is the pinnacle of surface performance and innovation. The QcK Prism features the same legendary surface, now with 2-Zone RGB lighting.Rev Up the EngineSteelSeries Engine software unlocks an impressive arsenal