Gaiam Balance Ball Chair Stool, Half-Dome Stability Ball Adjustable Tall Office Sit Stand Swivel Desk Chair Drafting Stool with Round Foot Rest for Standing Desks Home or Office - Black 33

ACTIVE ALTERNATIVE SEAT: The half-dome inflatable cushion works as an active seat, causing micro-movements which strengthen the core, improve posture and boost circulation ADJUSTABLE HYDRAULIC LIFT: Anti-burst, half-dome balance ball stool adjusts up to 33" to fit most standing or standard size desks making it perfect for office, home, and classroom or school desks FULL 360-DEGREE SWIVEL: Balance stool's stable 360-degree swivel base allows for easy and free movement while the height is easily adjustable to meet the changing needs around your workspace INCLUDES: Lightweight and compact half-dome balance ball stool with 5 lockable, easy-glide caster wheels, circular metal foot rest and an easy-inflation air pump INFLATION INSTRUCTIONS: For a perfect fit, please consult the included inflation instruction sheet inside packaging - If you still experience issues, please contact Gaiam Customer Service