Use the TRX Stability Ball to improve core strength, posture and overall balance during your workouts. The stability ball instantly activates your core and can also improve flexibility and coordination whether performing basic crunches or high-octane exercises. Made of durable, non-slip vinyl, you can use this ball without fear of popping it!
Diameter of 55cm is ideal for heights 5’1” to 5’8”
Strong vinyl construction prevents slipping
Anti-Burst Technology can withstand 1,000 lbs. of weight and will stay strong through heavy workouts
Core strength, overall balance and posture are improved with stability balls
Shipped deflated in a box, includes plastic plug to retain air after inflation