Gaiam Classic Balance Ball Chair, Blue

Develop stronger, healthier posture while typing at your desk with help from this balance ball chair. It helps strengthen your core as you balance, making your body more engaged throughout the workday. Overall Dimensions: 31inH x 22inW x 22inD. Weight capacity tested to support 300 lb. Suits most users between 5ft and 5ft11in tall. Inflatable 52 cm balance ball retains air well for long-lasting support. Base with backrest is made from molded PVC. Casters glide smoothly over most types of flooring. Assembly required.