Perfect Mouse Tracking Tested by the top mouse sensor manufacturer, the high thread count and surface variation optimize tracking accuracy for both optical and laser sensors with minimal friction. Rubber Base Like many SteelSeries mousepads, the QcK Heavy has a non-slip rubber base, so it won't slide around during gameplay.
Size : [Medium] 320 mm x 270 mm x 6 mm [Large] 450x400x6mm [XXL] 900x400x4mm