Features 1 110cm self heating far infrared back support brace with 18 self heating magnetic stones 2 Vented and breathable elastic side panels Adjustable and comfortable 3 Safety fever is relatively slow generally about 40 minutes to feel the obvious sense of heat Clean the heat part with a wet tower before use 4 Elastic fiber with 4 steel plates to support back correct the posture 5 Brace design conforms with ergonomics ease pressure on back to protect spine 6 The strategically placed magnets help with pain relief Neoprene back panel for warmth and compression 7 Self heating stone could help to promote blood circulation relieve muscle fatigue enhance metabolism ease pain etc 8 Professionally designed Double Pull braces can be adjusted to the desired level of both comfort and support using the high quality fasteners Description Item Type Tourmaline Back Support BraceMaterial Neoprene Tourmaline Magnets Elastic Band and LeatherSize S M L Color BlackLength approx 110 114cmMeasurement Details in the attached picture Package Included 1 X Tourmaline Back Support Brace Notice 1 The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness 2 Please allow slight deviation for the measurement data 3 Please allow 1 3cm differences due to manual measurement