It''s flexibility and shape can help improve one''s sense of balance as well as adjust one''s vertebrae and posture.
The high back rest provides unparalleled comfort and helps promote blood flow to the legs.
The ball can be manually inflated to suit your personal preference.
Weight Limit - 220 Lbs.
Ball should be inflated to 18.75'' to 20.5'' for best results.

Technical Details

Product Details

Product Dimensions

Item Weight: 15.43 pounds (View shipping rates and policies)

ASIN : B001U1UGUC