35939 Features: -Ball chair.-Combines the benefits of exercise ball and rolling base.-Promotes active sitting while strengthening the back and improving posture.-Great alternative to traditional chair for both office and leisure.-Compact, lightweight and easy to transport.-Plastic frame.-Product Type: Exercise ball chairs.-Distressed: No.-Overall Width - Side to Side: 22.-Overall Depth - Front to Back: 22. Includes: -Included : Ball and pump. Color/Finish: -Color: Black. Dimensions: -31'' H x 22'' W x 22'' D, 15 lbs.-Overall Product Weight: 15. Warranty: -30 Day warranty.