Put these vibration dampeners on your tennis rackets, help to minimize the vibration of your racket while providing excellent arm comfort, effective prevention of tennis elbow, and express your personality right away . Featuring creative and attractive patterns, can show your characteristics. Features -Color: Red - Material: Silicone - Size: 2.50X2.50X0.80cm/ 0.98X0.98X0.31in - Tennis dampeners help to reduce tennis elbow. Tennis elbow is a nagging injury and very common among tennis players. - Reduce vibrations. Help to reduce the shocking of your racket while providing excellent arm comfort. - Provides more comfort while playing. Exquisitely slim and manufactured to optimize your tennis game - This gives you more feel when hitting tennis balls. Many players report that they have more confidence hitting more varied shots.