This scarf is made of cotton. There are cooling particles sewn into the middle of the product. Put it in water for 10 to 30 minutes, wipe off the surface moisture and wear it to cool down. It can also be put in the refrigerator after absorbing moisture, so that the cooling effect will be better. When not using it, it can be dried naturally to restore the initial state. It can be worn on the neck, wrists, ankles. It can also be used as a headscarf, hair band, etc.