This excellent exercise tool combines the best aspects of the Gymnic Balls and the foam rollers. It can be used for optimising your life. You can make a lot of exercises for toning the ABS and the core muscle groups, stabilization relaxation, yoga and Pilates. It provides an ideal stability cushion for prone and supine exercises. It is supplied with a detailed exercise booklet. Made of durable latex free PVC, it is easy to clean with water and soap, inflatable, light-weighted and portable.