product 1. MULTI-FUNCTIONAL - This stability ball is a dynamic exercise device that you can incorporate into your daily exercise routine. Improve your flexibility and use it to stretch and warm up. Lose Excess Fat and Take Your Fitness Program to the Next Level2. Ball Chair - This exercise ball can also be used as a students chair to improve focus and concentration. Keeping balance while sitting helps them focus and understand whats going on around them. Can be used as an office chair or desk chair3. Improves balance and stability - Sitting on the exercise ball while balancing your weight and maintaining posture will help improve your overall balance. This Sport Balance Ball Helps You Have a Healthy Posture4. Strengthen your core - This exercise ball is suitable for strengthening your abs and core. Recommended for pregnant women as it strengthens the legs, back and core muscles for relaxation, comfort and relief5. Quality Stability Ball - Foot pump included.