DESC: FitBall Exercise Ball Kit (Ball, Pump & Poster)As Seen In Our Skymall Ad!The #1 Burst Resistant Exercise Ball(includes pump and exercise poster)The worlds most widely used burst-resistant exercise balls are the perfect solution for both professional and home use. Trusted by physical therapists and personal trainers throughout the U.S. and Canada, every ability level can benefit from the stability challenge the FitBALL exercise ball offers for flexibility, strength, and aerobic training. Absolutely round and weight tested to over 600 lbs., all FitBALL exercise balls are made of a unique latex-free material designed to deflate slowly if punctured.FitBALL Size Chart:5 yrs to 4'8"- 45cm (17 in.) 4'8" to 5'3"- 55 cm (21 in.) 5'3" to 6'0"- 65 cm. (25 in) 6'0" to 6'7"- 75 cm (29 in.) - 65 CM Multi