Designed to help enhance flexibility, vitality and muscle tone. Strengthens the lower back, buttocks, abs, chest and arms. Moves you deeper into your stretches. Stretch and strengthen anywhere with this light portable kit. Learn new and exciting workout routines with the included training DVD in the privacy of your own home. 65cm inflatable ball. 2 way action pump makes inflating faster. 2 heavy duty stretch bands. 2x2lb exercise weights, 4lb pair.