Ultra-fine Technology- Through the mature tourmaline ultra-fine technology, a heat-sensitive material is made. Under the excitation of human body temperature, the heat-sensitive material reacts immediately to release heat through the action of the transfer catalyst. Self-heating Technology- No need for power supply, self-heating, minus the burden of power supply and power bank! Ergonomically Designed- Ergonomically designed to fit the curve of your waist and relieve pressure on your back. It will provide support and protect your lower back. Soft self-adhesive waistband with high elasticity and easy to put on and take off. How to Clean- It can be washed and used repeatedly, avoid using detergent, and brush directly with water (washing within 5 minutes) without affecting the product's efficacy. Best Christmas Gift - Our Physiotherapy vest can help promote blood circulation and relieve rheumatism & muscle pain in some extent. Deliver warmth and health to the persons you care about. A perfect gift for coming Thanksgiving Day and Christmas Day." Description: Brand New And High Quality. Self-heating, Magnet Curing, Lumbar Support Moxibustion To Keep Warm Acupoint Magnetism Skin-friendly And Breathable Fits Shoulders Posture Correction Belt Embracing Fever 98 Magnets Cover A Large Area Improve Waist And Shoulder Discomfort Posture Shaping Package Contents: 1x Shoulder Guard MORE FAQs: Q1.What is the processing time after I placed an order? A: We always process a order within 1-3 days in order to keep the quality of it.Order immediately, we will arrange delivery immediately at our warehouse Q2.How long I should wait for my parcels? A: We usualy delivery the parcels via epacket which normally need 7-15 days since we located at China Q3.What can I do if the Item comes with problems? A: Please send us emails and the pictures of the problem product, we will provide you the best solutions as soon as we can within 24 hours.