JINYI Vibration Dampener Silicone Tennis Rackets Tennis Strings Shock Absorber Double Hook Racket Shock Absorbers Exercise Equipment Accessories for Tennis Sports RELIABLE MATERIAL: The racket shock absorber is made of soft silicone, and the acrylic hooks at both ends can be fastened to the racket without damaging your racket you just need to place the racket shock between the racket strings and you can enjoy hitting the ball Utility: Tennis racket shock absorbers help minimize racket vibrations while providing excellent arm comfort, preventing tennis elbow and instantly expressing your personality Gifts for sports lovers: Practical tennis accessories are popular with people of almost all ages, especially for those who love sports Color: random color Size: about 10CM long Quantity delivered: 5 pieces Warm prompt: 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding 3. Only the above package contents, excluding other products.