Inflatable Exercise Ball - Accessory - Stabilizer Base Size:Small (for 45cm - 55cm) Excellent donning properties and comfort

Excellent donning properties and comfort

Williams and Richmar machine models made prior to May 2000 (when used with with AD7500 adaptor)

Further filtering of harmful particles

Skillbuilders® knee wedge is made of molded foam coated with a tough integral washable coating

Inflatable Exercise Ball - Accessory - Stabilizer Base Size:Small (for 45cm - 55cm) Excellent donning properties and comfortInflatable Exercise Ball Accessory Stabilizer Base The CanDo medium ball stabilizer bases provide extra protection and stability for the ball during use. The base also helps prevent the inflatable ball from rolling away when in storage. The small plastic base fits 65 and 75 cm balls (sold separately).