Everything Yoga Fitness Balls - 75cm 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 600lbs of pressure. The balls are easily inflated with a foot or hand pump (sold separately), and these large sized 75cm Fitness Balls are best if used for people with a height of up to 6' 5". Each ball arrives individually wrapped. Note - Fitness Balls are measured with a special Yoga Ball measuring tape.