Inflatable disc is similar in movement and
shape to a fitness ball when used on any seat. Can be used as a dynamic
cushion to activate major muscle groups, or as a standing disc for
balance training and lower extremity strengthening. Features one tactile
side and one smooth side. Inflates with a standard pump. Can be deflated
to 1" thickness, or inflated to 2" thickness. 13.8" diameter.
