65cm/26" Exercise Ball (Black) is Premium Grade Burst Resistant to 700lbs and 1,000 weight holding capacity. 65cm size for user 5ft-6ft in Height. Non-slip texture and is Ideal for toning & strengthening abs, thighs & improving posture. Great for ball chair use while you work your core for Active Sitting while relieving back discomfort. Well- suited for home or studio use. Pearl Black in color. Includeds Hand Pump, Instructional Sheet, Extra Ball Plug, Plug Remover, Free downloadable Instructional Video at www.zenathletics.com