MOUSE PAD STEELSERIES QCK MASS GAMING 63010 FEATURES 320x270x6mm Nearly frictionless surface Non-slip rubber base 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 Mass has a non-slip rubber base, so it won’t slide around during gameplay. About the QcK Mass Designed to give a little more thickness where its needed most, the QcK Mass performs flawlessly amongst esports professionals and casual gamers alike.