Feature: 1. Silicone Material: Long buckle tennis racket shock absorber is made of silicone material, provides good shock absorption, stays securely in place, and is durable. 2. Performance Benefits: Effectively reduces the amplitude of ball impact vibrations, minimizes string vibration transmission, and enhances comfort during play. 3. Vibration Dampening: Reduces noticeable vibration at the moment of ball contact and improves overall feel after impact. 4. Protective Design: Helps reduce stress on the arm, potentially aiding in the prevention of tennis elbow. Length is approximately 105mm / 4.1in. 5. Compatibility: Suitable for most tennis rackets. Adds fun customization while dampening string vibrations. Specification: Item Type: Tennis Racket Vibration Dampeners Material: Silicone Product Size: Approx. Length 105mm / 4.1in Color: Red, Black, Blue, Yellow Weight: Approx. 15g / 0.5oz Package List: 4 x Tennis Vibration Dampeners Note: Please allow 1–3mm error due to manual measurement. Thank you for your understanding.