Product parameters:Material: EVAColor: Red + Gray + YellowSize: 20 * 20 * 4 cmPackage List:Reactive Catch Training Tool x 1 Exercise Various Skills: Our products can improve time / improvement / hand-eye coordination ability / quick decision-making ability and can through product training quickly improve various skills.Portability: Our products are very convenient to carry. It can be carried right in your pocket without taking up much space and place. There will be no weight burden, and you can take it to exercise anytime when you go out.Unique design: Our products have unique design. Three-pronged head design, round head center forward, more ergonomics for server reception. It features three different colors, it is clearer when thrown in, and it can be cast quickly. Responsiveness.Wide Application Range: Our products are suitable for a wide range of groups, such as athletes of different skills, and can also be used for interactive games between the owner mer and the dog.