Waist,back and lumber support. Self heating? magnetic therapy lumber waist? belt.? Made of high quality material,is safe and comfortable to wear. Ergonomic designs to fit for the waist curve, which will ease pressure on the back. And it provides support and protect lumber.Adopting self heating pad, which will promote blood circulation, relieve? lumber disc herniation and muscle strain.Suitable for all person who suffer from lumber back pain, sciatica nerve pain. arthritis, soft tissue damage .A good choice for elderly parents, sedentary workers, friends, your self or any person suffering from any form of back, waist or lumber pain related issue.Good for all skin types.? Product was be used directly on skin or on? light clothing .