Important considerations when choosing SPRI Stability Balance Ball
Increase strength, balance and flexibility Stay-Put stability ensures the ball won t roll away and helps secure it during dynamic exercises Additional stable weight adds resistance in ball workouts and exercises that boosts results Durable, anti-burst construction will withstand any workout environment Includes a stable ball, air pump, and digital exercise guide and available in 55, 65, and 75cm sizes
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Customer reviewsGood quality stability ball
My ball has stayed inflated since I first filled it up in August 4 months . The materials are good quality and there is some weight maybe sand in the ball, which is nice as it keeps it from rolling around when you get off it. Standard ball as you d expect and just as good quality as the ones at my gym.