Black Mountain Products 2000-Pound Static Strength Exercise Stability Ball with Pump, Purple, 85cm

Black Mountain Products professional-grade exercise balls improve your core strength, balance and overall agility. Black Mountain Products exercise balls are designed with dense walls for the ultimate support and durability, and are weight-rated up to 2000 lbs. Size options 45cm ( 5' and under) 55 cm ( 5' to 5' 6" tall) 65 cm (5'6" to 6' tall) and 75 cm ( 6' to 6 5") and 85cm (6' 5" or taller).