Gaiam Ultimate Balance Ball Chair - Premium Exercise Stability Yoga Ball Ergonomic Chair for Home and Office Desk with Reinforce

ALTERNATIVE DESK cHAIR: Featuring a new and improved modern design and construction with a durable reinforced base, combining both comfort and ergonomic back support to alleviate the stress and pains that come with sitting for extended periods of time BOOST ENERgY LEVELS: Engages the core, aligns the spine and helps increase energy levels for a more productive and energetic day REcOMMENDED USER HEIgHT: Designed for users 5 to 511 tall and fits most standard-height desks 300-pound weight capacity INcLUDES: Removable 52-centimeter exercise ball, an easy-inflation air pump, 5 easy-glide lockable casters and a desktop guide that illustrates multiple stretching and strengthening exercises to help you stay active INFLATION INSTRUcTIONS: It may be necessary to re-inflate the ball after initial inflation to allow the ballAs material to stretch to its final size Inflate ball with air, let stand for 24 hours, deflate 50% then fill again to 52cm height

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