Physical Therapy Lumbar Back Brace Self-Heating 118pcs Magnets Back Support Belt Shoulder Heated Vest Product information Comfortable fabricSelf-heating lumbar support, high-quality fabric, breathable and soft, comfortable and skin-friendly, suitable for long-term use in four seasons and will not cause any irritation to the skin. Magnet Self-heating BeltFull back support belt with built-in 118 magnets and nano-infrared thermal needle dot matrix, quick release of heat, long-lasting effect, effectively help improve blood flow, promote blood circulation, relax muscle fatigue, and relieve joint and back pain. Applicable PeopleCan be used to support shoulder, back and waist and maintain a better posture for improved sleep quality and body health, suitable for people who spend long time working before computer, sleep with incorrect position, suffer from neck and shoulder fatigue and cervical stiffness. Packageinclude:1x magnetic back support Note: 1. Due to the different monitor and lighting effect, the actual color of the item may be slightly different from the color shown on the pictures. 2. Please allow 1-3cm error due to manual measurement. (1 inch = 2.54 cm) Thanks for your support :)