
Body Warmer for Neck Shoulder Warmer Patch Pack Instant Self Heating Pain Relief Pad. Natural Self Heating: Heating principle relies on natural chemical reaction without external power source. Ginger Extract Infused: Contains ginger extract to promote blood circulation and relieve muscle stiffness. Long Lasting Heat: Provides continuous heat for 8 to 10 hours with average temperature of 45 degrees Celsius. OEM and ODM Available: Full customization options including design, samples, and minor modifications available. 15 Years Experience: Manufacturer with 15 years of experience and role in drafting Chinese warm patch industrial standards. Strict Quality Control: 100% function inspection with professional technicians testing samples every 2 hours. Fast Delivery: Located near Qingdao Port ensuring fast shipping with strong cooperation with major carriers.