Safco Zenergy Ball Chair OrangeDescriptionSpecificationsShipping When all your energy is focused on work, it's easy to forget to take care of your physical well being. A supportive design encourages good posture & a strong core, so you feel great & stay comfortable throughout the day Anti burst 440mm exercise ball underneath a fabric cover Built on four sturdy powder coated legs to add stability and support active sitting Each leg is fitted with stationary glides at the bottom to