Gaiam Custom-Fit Balance Ball Chair - Exercise Stability Ball Adjustable Desk Chair for Home or Office with 55cm Yoga Ball, Air Pump, Exercise Guide and Satisfaction Guarantee

Key features

• ALTERNATIVE DESK CHAIR: Custom-fit adjustable desk office chair is designed to engage your core throughout the day and is easily adjustable to fit your height & size
• BOOST ENERGY LEVELS: Using the same ball as the exercise guide, this chair helps to build a healthier core, align the spine, relieve back pain & stiffness, boost energy levels& increase productivity with an active body and a focused & engaged mind
• RECOMMENDED USER HEIGHT: Designed for users 5' to 5'11" tall and fits most standard-height desks. Adjustable legs allow for custom height setting to fit your exact needs. 300-pound weight capacity.
• INCLUDES: 55cm purple exercise ball, air pump, metal base, 5 adjustable legs, 5 easy-glide lockable wheels, back rest, desktop stretching & strengthening guide, & workout with three 20-minute workouts and three ten-minute "express routines"
• INFLATION INSTRUCTIONS: It may be necessary to re-inflate the ball after initial inflation to allow the ball’s material to stretch to its final size. Inflate ball with air, let stand for 24 hours, deflate 50% then fill again to 55cm height.