Thera-Band® Exercise Ball. Increases flexibility and coordination. Helps develop core strength. Each ball includes replacement plug and adapter. High-quality, nonslip vinyl construction with latitudinal ribs for easier grasping. Weight-tested to hold up to 600 lbs. when properly inflated. Includes full-color poster featuring 24 exercises. Pump sold separately. Includes colored tape for accurate inflation measurement. Blue 75 cm, 30"6' - 6'3" (72" - 75") recommended patient height. Bulk ball with no packaging.