j/fit 85cm Stability Exercise Ball (Black)
Safe, versatile, and fun to use, this stability exercise ball from J Fit is a great way to work out in the comfort of your home. Specifically targeting your abs, back and gluts, the exercise ball strengthens and tones your entire body by working your muscles in a completely new way by giving constant resistance from every direction. It's a great exercise tool for people of all ages and all fitness levels. An air pump and exercise guide is included.Exercise Ball Size Guidelines34-inch (85 cm): For users 6' 7" in height and taller30-inch (75 cm): For users between 6' 2" and 6' 6"26-inch (65 cm): For users between 5' 8" and 6' 1"22-inch (55 cm): For users between 5' 1" and 5' 7"18-inch (45 cm): For users between 4' 6" and 5' 0"