Gaiam Classic Chair Ball - Extra 52cm Balance Ball, Charcoal

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 and stiffness, boost energy levels and increase productivity with an active body and a focused and engaged mind RECOMMENDED USER HEIGHT: Designed for users 5' to 5'11" tall and fits most standard-height desks. For a taller chair, add 2 inches with Gaiam's compatible leg extenders, sold separately. 300-pound weight capacity. REMOVE BALL FROM CHAIR FOR WORKOUTS: Remove the balance ball from the chair to perform core workouts and stretching routines INFLATION INSTRUCTIONS: For a perfect fit, it may be necessary to re-inflate the ball once or twice after the initial inflation to stretch to its final size. Inflate ball with air, let stand for 24 hours, deflate 50% then fill again to 52cm height. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.