Moderate surface friction for low-DPI gaming: Improves mouse control with just the right amount of friction for sudden starts and stops Consistent surface texture: Gives you greater tracking performance and aiming precision Matched to Logitech G sensors: The ideal surface, game-lab-tested to maximize Logitech G mouse sensor accuracy and performance Stable, comfortable base: Soft cloth surface improves wrist comfort. Rubber base keeps the pad in place during high-intensity gaming Strong, flexible construction: Made of durable materials that easily rolls up for transport Logitech has different serial numbers for packaging vs. product, please keep your receipt for warranty purposes.