The Gaiam Classic Balance Ball Chair is a revolutionary desk chair designed to transform the way you sit. Created with the assistance of chiropractic pioneer Dr. Randy Weinzoft, this chair provides essential ergonomic support for those who spend long hours at their desk. By promoting micro-movements and constant stimulation, it helps to alleviate common aches and pains associated with prolonged sitting, while also enhancing focus and concentration.This unique chair is suitable for users between 5' to 5'11" and fits most standard desks. For added height, Gaiam Leg Extenders can be purchased separately to increase the chair's height by 2 inches. The package includes a 52cm yoga ball that can be used independently for exercises, four easy-glide caster wheels (two of which are lockable), an adjustable metal support bar, an air pump, and a desk chair exercise guide.With over 19,000 customer reviews and a 4.2-star rating, the Gaiam Classic Balance Ball Chair has proven to be a popular choice in the market. It is ranked #1,373 in Sports & Outdoors and #20 in Exercise Balls on Amazon.Gaiam is a leading lifestyle brand dedicated to making yoga, fitness, and well-being accessible to all. Their mission is to provide healthy and sustainable alternatives to traditional products, ensuring quality and affordability without compromising on style.Key Features:- Boosts energy and focus through micro-movements- Designed for users 5' to 5'11" tall- Includes a removable 52cm exercise ball- Comes with four caster wheels (two lockable), a support bar, metal ball holder, air pump, and exercise guide- Requires minor assembly- May need re-inflation after initial setupExperience the benefits of ergonomic seating with the Gaiam Classic Balance Ball Chair and improve your overall well-being while working at home or in the office.