Add something a little different to your exercise routine with this Women's Health Gym Ball. Strengthen and tone your abs, back and waist whether you go to the gym or enjoy a workout at home. The gym ball is perfect for stretching, pilates and improving your balance and co-ordination. 65cm diameter gym ball. It makes exercises such as sit-ups and push-ups much more challenging and effective. It is also great for yoga and stretching, improving your ability to focus and reducing stress. Includes hand pump. Maximum user weight 100kg (15st 10lb).