Twist your body and approach places where you cant normally stretch it.Four airbags on the top and right sides inflate to lift your upper body to relieve tension and tight muscles and guide you into a beautiful posture.Furthermore, a twist is added to provide support around your pelvis. Three courses support stretching movements and condition with extra open feeling. Product Size (W x L x H): Approx. 19.3 x 39.4 x 3.9 inches (490 x 100 x 10 cm); Power Cord Length: 5.9 ft (1.8 m)