Also designed to give typical students a stimulative and energy absorbing break from regular hard surface classroom seating. Helps improve postureEncourages more time on taskAssists in therapy sessionsProvides sensory optionsModerates repetitive movement
Standard Base Colors: These metal base colors are standard and not able to be customized. Each different size has one standard color only, as shown directly below. 
Small – Tan powder-coat
Small/Medium – Tan powder-coat
Medium – Blue powder-coat
Large – Chrome-plated
XL – Black powder-coat
Caster Base – Red powder-coat
Ball CoverZip-off, washable fabricDurable laminated vinyl/nylonAbrasion resistantAnti-microbial fabric (standard on A-30, optional on other sizes)Available in seven standard colors; solids or two-tone combinationsDouble-sewn grab handle for easy portabilityLatex Free BallBurst-resistantIndustrial grade rubber compoundAdjustable firmness300 lb capacityConvenient HandleVelcro™ Straps are StandardAir Pump IncludedThree 1″ wide heavy duty industrial Velcro™ straps can be added to any ball cover for securing the ball to the baseAllows for ball and base to be moved as one unit