1. It is made of soft material with good elasticity. 2. Good shock absorption effect, not easy to fall off, . 3. It can effectively reduce the vibration caused by hitting the ball in a large area, maintain the stability of the racket, and improve the controllability. Give golfers a comfortable feeling. 4. The classic shape adds and personality to the racket for sports. Model Number: Tennis racket Vibration Damper Absorber colour:White Material:Silica gel size:2 x 1.5cm Package Contents: 10 x Tennis racket Damper Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.