65cm Grape Anti-burst Rhino Skin Stability Ball with New and Improved 10-inch Hand Pump included FREE 10-inch new and improved high qaulity Hand Pump included free 1200 pound static weight limit Ideal for proprioceptive lifting. tough anti-slip Rhino-skin surface Comes in 55cm (if heigt is below 5'4"), 65cm (if height is below 5'9") or 75cm (if height is above 5'9") size.