ULTIMATE ANTI-SLIP BASE: High-density polyurethane material that grips onto the desk to provide extraordinary stability EXTRA-CUSHIONING: Soft, 3mm-thick base for comfort and the right amount of bounce feedback OPTIMIZED MOUSING SURFACE: Hybrid cloth surface ensures smooth movement and provides adequate friction for precise feedback PROTECTIVE NANO COATING: Water-, oil- and dust-repellent surface is easy to clean and maintain TABLE-SIZED FOR WIDER SWIPES: Extended size at 900 x 400 mm for more room to maneuver