Feature: 1. Light Weight: The overall weight of the tennis racket grip trainer is light and will not increase the weight of the racket. Even if you hold it for a long time, you will not feel tired 2. Silicone Material: The tennis racket grip trainer is made of silicone material, which feels soft and comfortable and is not easy to be damaged 3. Exercise Tools: Use the tennis racket grip trainer to exercise the distance between finger grip and help us hit the ball better in sports games 4. Sports Accessories: Tennis racket grip trainer can help us firmly hold the tennis racket, not to slip the situation, has a strong practical 5. Compatibility: Tennis racket grip trainer is suitable for all kinds of rackets. It has a wide range of applications and can bring comfortable hand feel for people when playing tennis Specification: Item Type: Tennis Racket Grip Trainer Material: Silicone Weight: Approx.5g / 0.2oz. Package List: 4 x Tennis Racket Grip Trainer