Skippy ball , also known as jump ball , jumping ball , skip ball , hopper ball , hopper . With massage spikes; 45,55,65cm. Skippy ball , also known as jump ball , jumping ball , skip ball , hopper ball.With massage spikes;Made of eco-friendly PVC. Size: 45,55,65cm.Any colors available;Custom logo available;Ideal for Kid's fun and sportings contest. Massage Skippy Ball