Amazon is offering the j/fit Stability Workout Ball (85cm) for $18.01 with free shipping for Prime members or in orders over $49. That’s as much as $10 under some listings, the lowest Amazon has offered it for and the best price we can find. This is the largest model and it comes in black. It includes the air pump and an exercise guide.
Amazon also has the pearl white 65cm model for $13.89 Prime shipped, which is the lowest it has offered this size for and the best we can find. Both models carry a 4+ star rating from over 160 Amazon customers.
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Specifically target your abs, back and glutes. Strengthen and tone your entire body by working your muscles in a completely new way by giving constant resistance from every direction. Great for people of all ages and all fitness levels. Comes with a pump and an exercise guide. Inflation guide must be followed to blow the ball up-to 85cm. Size: 34″ (85cm) for individuals 6’7″ and up. Ball color: Black.