Heavy patterns and designs can interfere with sensor performance. G440 Logitech Mouse Pad features a clean, consistent surface texture. This gives sensors better imagery for translating mouse movement into cursor movement, an improvement over inconsistent or dirty table and desk surfaces. G440 gaming mouse pad is solidly constructed using three critical layers and maintains a low 3 MM profile. The polypropylene top layer provides a low-friction surface. A high-impact polystyrene core in the hard mousepad provides a firm, semi-rigid foundation. And finally, the rubber base keeps the desk mousepad stationery.