Product description Size: M, L, XL Color: Black and Red Material: Elastic mesh Package content: 1 x Heating waist protector 1. Back pain relief: The lumbar support belt helps relieve back pain caused by sciatica, scoliosis, herniated disc, degenerative disc disease, sprains, osteoporosis, and loose ligaments. Suitable for use during sports, heavy work, and daily activities. 2. Arc-shaped aluminum strip for lasting support: The curved aluminum strips in the back of the lumbar belt conform to the natural shape of the spine. Provides firm lower back support, helps maintain proper posture, and stabilizes the spine. 3. Two detachable automatic heating pads: No charging required. Safely generates heat through far infrared technology. The pads absorb ambient energy and, upon contact with skin, create a gentle warming effect through molecular resonance. 4. Individual adjustability: Adjustable straps allow for a customized fit based on waist circumference. Additional outer strap enables personalized compression and support levels. 5. Special breathable fabric: Made with breathable, high-elastic fabric for comfort during extended wear. Features durable hook-and-loop closure. Provides consistent compression to the lower back while helping maintain an upright posture to reduce discomfort.