Physio Balance Yoga Fitness 85cm Gym Exercise 33" Inflatable G Ball Swiss Pe New 85 cm Fitness Ball  Blue These strong and durable Fitness Balls are designed to improve gross motor control, balance, range of motion, equilibrium, and more. Our Yoga Balance/Fitness Balls, also known as Swiss Balls, Physio Balls, Exercise balls or PE Balls, are used in Yoga, Pilates, and fusion exercise programs to strengthen and firm abs, back and buttocks. Made from durable vinyl, they are designed to support up to 300lbs of pressure (Maximum safe load: 330 lbs.). The balls are easily inflated with a foot or hand pump (sold separately), and these extra large sized 85cm Fitness Balls are best if used by people with a height of 6' and above. Able to use with Dumbbells and other strength training equipment