MANTRA SPORTS Heavy-Duty Exercise Ball (55 CM)

【A Healthier & More Comfortable Workday】Elevate your comfort and achieve perfect sitting balance with our exercise ball chair for office with stability base. Use it daily to turn your desk job into an instant, easy core-engaging fitness workout. 【Gym Quality Workouts At Home】Ideal for work from home fitness, this exercise ball chair includes an A1 poster (also downloadable) featuring workouts for different muscle groups, made for all fitness levels and for small home gym and office spaces. 【Your Prenatal Journey Partner】If you’re expecting, use our pregnancy ball exercises for labor. Strengthen your core, abs and stomach muscles to ease pressure on your back, support pelvic blood flow, and optimize baby’s position for smooth birth and recovery. 【Safe & Worry-Free Fitness】Our extra thick, heavy-duty medicine balls are among the strongest on the market. Made from non-toxic PVC with no BPA or harmful heavy metals and no chemical smells. They also have anti-burst and anti-slip technology.