FLX Inflatable Stretch Ball FLXBALL. Add it to your training routine to improve core strength, increase balance, and fine tune muscles in your legs, ankles and feet.Take your core exercises to the next level with this 9" inflatable ball from FLX.
FLX Inflatable Stretch Ball FLXBALL.Take your core exercises to the next level with this 9" inflatable ball from FLX. Add it to your training routine to improve core strength, increase balance, and fine tune muscles in your legs, ankles and feet.
Add it to your training routine to improve core strength, increase balance, and fine tune muscles in your legs, ankles and feet. FLX Inflatable Stretch Ball FLXBALL.Take your core exercises to the next level with this 9" inflatable ball from FLX.