Relieve lower back and hip joint pain, disc herniation, sciatica, muscle soreness and more instantly. Self-heating tourmalines and magnets improve blood circulation, promote metabolism and restore and alleviate pain. Dual adjustable straps provide a custom fit and comfortable support. Wear it anytime for all-round movement and freedom of movement. Made of durable plastic cement, available in black and white, in sizes M, L, XL, XXL. Experience gentle hot compress therapy for the damaged areas of the lumbar spine and waist. Enjoy the benefits of improved blood circulation and instant relief from pain. Say goodbye to discomfort and hello to comfort with our magnetic therapy heating strip. Features 1. Enable men and women to immediately and persistently relieve lower back and hip joint pain from disc herniation, sciatica, back pain, muscle soreness, and other back diseases. 2. Self heating tourmalines and Gaussian magnets help maintain body heat, improve blood circulation, promote metabolism, and restore and alleviate pain. 3. Dual adjustable straps provide a customized fit and perfect fit design, making it comfortable and easy to wear under any clothing. 4. Allow for all-round movement while providing comfortable support. Wear it when walking, working, resting, bending or stretching. Enjoy freedom of movement. 5. Tomaline self heating, magnetic drop plastic, mild hot compress, Tomaline's own energy release, hot compress therapy for damaged areas of the lumbar spine, and alleviate discomfort in the waist. Specification Material: Plastic Cement Color: Black, White Belt Size: M, L, XL, XXL Size: 18 x 20 x 1 cm Weight: 155 g Package Include: 1x Magnetic Therapy Heating Strip