1.RELIEVE PAIN EFFECTIVELY & CORRECT POSTURE Upgraded Back Stretcher with 10 Magnets and 99 Plastic Points, It brings acupuncture effects through deep pressing on specific acupoints, and promotes circulation, helping you to relax the tension in the lumbar and back after a long day and relieve those aching muscles. 2.Lightly Compress and Protect Your Spine with an Upgraded Silicone PadWhile stretching and massaging the lower back, the upgraded silicone cushion can reduce the pressure and tension of the spine, and its massage points can also gently massage the spine, providing maximum massage and relaxation. Longer service life of silicone mats. 3.Lightly Compress and Protect Your Spine with an Upgraded Silicone PadWhile stretching and massaging the lower back, the upgraded silicone cushion can reduce the pressure and tension of the spine, and its massage points can also gently massage the spine, providing maximum massage and relaxation. Longer service life of silicone mats. 4.Powerful Functions1) Restore the healthy lumbar curve; 2) Relieve the ache of the waist and back muscles; 3) Correct the sitting position and say goodbye to hunchback. In this way, your body can then be better prepared to take in the stress of your profession or lifestyle.