Gaiam Balance Ball Chair, Black This revolutionary desk chair will change the way you sit. Designed with a work-life balance in mind, the Gaiam Balance Ball Chair, created with the help of chiropractic pioneer Dr. Randy Weinzoft, provides the all-day ergonomic support needed while sitting for a long duration. Feel better at your workplace by utilizing this alternative chair solution that encourages wellness and helps to soothe the aches and pains that come from sitting at a desk for extended periods of time.