The Exerflex Fitness ball kit comes with everything you need to get started: wall chart, pump and most importantly the only adjustable exercise ball in the market today from 50-65 cm!
Some of the benefits of the Exerflex ball:
Simple to inflate and
Simple to adjust,
designed for lasting durability,
holds up to 1000 lbs,
specifically targets: buttocks, thighs, abdominals, and back muscles.
Perfect for professional or home use.