GoFit Exercise Ball A Challenging Way To Stretch, Tone & Tighten Body Made Of Pvc Plastic Suggested Weight Limit: 300lbs Inflatable exercise ball Weight-rated up to 1000 lbs. Includes ball plugs, inflation pump and exercise poster Size options: 55 cm(red)., 65 cm.(white), or 75 cm. (blue) Safe for users of all levels of experience