Features: 1. Built-in 108pcs magnets and nano infrared thermal acupuncture dot matrix will release heat quickly with long lasting effect, effectively helping improve blood flow and promote blood circulation to relax muscle fatigue and relieve the pain associated with joint and back problems. 2. Detachable 5pcs tough ABS shaping plates in solid construct will help distribute the pressure uniformly for your lumbar spine with strong fixation and reliable support to maintain a good posture and achieve some effects on body slimming. 3. Come with an independent neck brace which contains 12pcs self-heating magnets, free to choose whether wear it or not, the warm fabric can further enhance the neck care. 4. High quality breathable and soft fabric, comfortable and skin-friendly for all season long time wear, will not cause any irritation to your skin. 5. Adjustable hook and loop type fastener straps, fast to release/close and adjust the tightness according to your demands, 3 size variations can widely suit most users with custom fit. 6. Can be used to improve your 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, etc. Specifications: Material: Breathable Fabric, Magnets Color: Black Size: M/L/XL(Optional) Note: 1. Please allow some deviation due to manual measurement. 2. The color of the actual item may slightly vary from the images due to different computer screens and display settings. CAUTION: 1. Highly suggest to put the product in well ventilated places for odor removal before use. 2. It is FORBIDDEN to be used by people who are pregnant, prone to bleed, suffering from malignancies, high fever, fracture, skin injury, severe hypertension. Package Included: 1* Tourmaline Back Support Waist Brace 1* Tourmaline Neck Brace