The reaction tool provides feedback on a player's reaction time and is a high-energy, multi-sport training tool used to improve technique in drills and training exercises. Advantage 1. The hexagonal reaction ball is made of high-density material, strong and durable, suitable for hard surfaces including grass, wood, stone, asphalt, clay, mud, etc. The surface is grainy and has a good hand grip. 2. This six-sided high-strength ball jumps and pops randomly, creating a dynamic and bounce that can't be known, allowing you to better analyze player contact with the ball based on interaction. 3. Use the reaction ball to improve hand-eye coordination and agility for faster reflex. Reaction balls are good training equipment for all sports including baseball, football, soccer, basketball table tennis, ping pong, tennis, softball, and badminton training. Instruction Use the agility training ball by tossing it back and forth between players, or bouncing it off the wall for independent training indoors or outdoors. NOTE: Please use this product without passers-by or in a safe outdoor environment.Note: Please use this product without passers-by or in a safe outdoor environment. Application: The reaction tool provides feedback on a player's reaction time and is a high-energy, multi-sport training tool used to improve technique in drills and training exercises. Instruction: Use the agility training ball by tossing it back and forth between players, or bouncing it off the wall for independent training indoors or outdoors. Advantage: The hexagonal reaction ball is made of high-density material, strong and durable, suitable for hard surfaces. The surface is grainy and has a good hand grip. This six-sided high-strength ball jumps and pops randomly, creating a dynamic and bounce that can't be known, allowing you to better analyze player contact with the ball based on interaction. Use the reaction ball to improve hand-eye coordination and agility for faster reflex. Reaction balls are good training equipment for sports. Color: Orange, Green, Blue; Material: TPR; Size: 57 x 57mm / 2.24 x 2.24 inch(W*H).Number of Items: 3. Sport Type: Tennis. Color: Orange Green Blue. Material: Thermoplastic Rubber. Brand: PATIKIL. Date First Available: October 26, 2022. Best Sellers Rank: #480,032 in Sports & Outdoors. : B0BKKMMH4H. Sport Type: ?Tennis. Outer Material: ?TPR. Part Number: ?pta220907tt0604. Manufacturer: ?PATIKIL. Number of Items: ?3. Material: ?Thermoplastic Rubber. Color: ?Orange Green Blue. Brand Name: ?PATIKIL. Package Weight: ?0.76 Pounds. Item Package Dimensions L x W x H: ?5.12 x 4.72 x 2.56 inches.