55cm Exercise Ball Exercise Ball Yoga Ball for Fitness, Balance, Stability, or Pregnancy, Gym Ball for Core Workout, Physical Therapy, Yoga Ball Chair for Office, Anti-Slip Anti-Burst

The 55cm Exercise Ball is a durable, anti-slip, anti-burst PVC yoga and fitness ball designed for workouts, balance, stability, core strengthening, pregnancy, physical therapy, and as an office chair alternative, supporting up to 330 pounds....

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