A hand trampoline for balls: throw, catch, bounce.• Grip combines the ease of the other OgoDisks with the added power of a handle.• Features the new Flux ball, with adjustable speed, for tailored fun.• Bounce any ball -- for summer fun, try it in the pool with water balloons.• Newest member of the award-winning family of OgoDisks.• Includes: 2 Ogosport Grip disks - One navy, one sky blue with flux ball• Materials: EVA foam ring. Nylon-spandex membrane center.• Warnings: Product rated for age 10+. Package may contain small parts. Product is not to be used as a flotation device.