YUANRUN Herbal Hot Packs provide instant warmth with natural herbal ingredients and iron powder technology, ideal for cold weather relief. The premium fabric ensures durability and even heat distribution, while the ergonomic design fits comfortably on hands, back, or joints. Perfect for outdoor activities, work, or soothing muscle discomfort, these patches offer long-lasting heat for up to 12 hours. Bulk purchasing options available at unbeatable wholesale prices, making them a cost-effective solution for retailers and resellers. Stay warm effortlessly with this high-quality, portable heating solution.