Made of solid, high density and natural rubber; Non-synthetic and Eco-friendly - over 5 ounces

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Small handy size - 2.75u0026#34; wide; suitable equally for children and adults

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Six protruding and well-rounded sides to provide random and varied bounce

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Greatly improves hand-eye coordination, motor-sensory skills, reflexes and peripheral vision

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Great preventive against slowing reflexes and agility; Excellent sport and fitness trainer

nThis rubber reaction ball is a unique tool, made of superior quality natural rubber. Unlike other softer balls, it is made of high density rubber to maximize its intended purpose, which is varied and random bounce. It has six rounded sides to make it bounce unpredictably. Its regular use improves your hand-eye coordination, reaction time and peripheral vision while increasing speed and agility......It serves as a great training tool for sports which require good reflexes like tennis, baseball, basketball and cricket. It makes you flexible, energetic and healthier. Its use is recommended to build motor-sensory skills. Carry it with you in your pocket.