Feature:1. Safe and durable, improve response and focus ability.2. Small and portable, easy to fit into a pocket, you can exercise everywhere.3. Particle surface, solid filling, comfortable grip.4. Reaction Ball is excellent equipment for enhancing one's handeye coordination.5. It's perfect training equipment for all sports including Boxing, Volleyball, Softball, Baseball, Hockey, Football, Soccer, and Basketball training.Specification:Item Type: Reaction BallMaterial: TPRColor: As Pictures Shown Product Size: Approx. 70x55x55mm/2.8x2.2x2.2inWeight: Approx. 354g/12.5ozQuantity: 3pcsPurpose: Reaction Training.Package List:3 x Reaction BallNote:1. Manual measurement, please allow 10mm error, thank you!2. The picture may not reflect the actual color of the project due to the differences between different displays.