Photo 1 of APEXUP Yoga Ball Exercise Ball, Anti Slip Stability Ball Chair, Heavy Duty Large Gym Ball for Fitness, Balance, Core Workout and Physical Therapy (M (19"~22'') 55cm, Purple)

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Photo 1 of APEXUP Yoga Ball Exercise Ball, Anti Slip Stability Ball Chair, Heavy Duty Large Gym Ball for Fitness, Balance, Core Workout and Physical Therapy (M (19"~22'') 55cm, Purple)