Properties: Spokey FITBALL exercise ball: comes with a handy pump that will help you fill the ball with air quickly and conveniently, allows you to perform exercises that have a positive effect on your figure, physical condition and help reduce body fat, It is a perfect replacement for a chair because sitting on it requires correct posture. Technical data: material: PVC anti-burst system - in case of bursting of the ball, the maximum air is slowly released user weight: 120 kg pump included