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This is an ice patch designed for sports people. It's easy to lose in motion and requires ice. Outdoor sports are hard to find materials, and people often miss the best time. This ice patch is easy to carry and easy to use, solving this problem. Simply pinch the water and let the water react with the chemicals to cool down. In addition, its back is a gel, can stick to the skin, change the way of hand and because of cold often take the bag down, resulting in ice is not continuous, the effect is not obvious. When the chemical reaction, the water fills the entire membrane, increasing fit
Guangdong Ocean University