ALTERNATIVE DESK CHAIR: Created by leading health & fitness experts to improve overall well-being and provide an active outlet for having to sit for long periods of time BOOST ENERGY LEVELS: Featuring the same yoga ball as the exercise guide, this chair helps to 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.