The Back2Life uses a revolutionary technique, Continuous Passive Motion, to naturally ease lower back pain. The slow, rhythmic movement loosens tight muscles and releases the pressure between the vertebrae to relieve the pain. Continuous Passive Motion gently flexes your spine to ease away lower back pain. This incredible machine: ----Aligns the Spine ----Releases the Pressure ----Relieves the Pain No more painful exercises! No more agonizing stretches!. 1) Model No.: YS-026 2) Name of Goods: Back2life (12 Minute Back Pain Solution) 3) Materials: ABS, PE, PP, Nylon, TPR, Rubber 4) Including Accessories: Back2life Machine, Back2Life Information &User Manual, User Guide DVD, One Firmapedic Pillow 5) The Package: Color Box as Same as the Original. 6) Outer carton: 52*41*35 CM 7) G.W. /N.W.: 8/7KGS