Worn around the neck or forehead, the Cool Bandana continually pulls the heat out of your bloodstream as it rushes past the veins in your neck. The coolness circulates throughout your whole body and brings your body temperature down to a comfortable level all day long. You literally get cooled from the inside out! Cool Bandanas are 35" long by 2" wide, with a 17" pocket in the middle that contains a polymer that absorbs water. Soak them in water for 10 or 15 minutes, then wear them around your neck like a bandana. They're ready to work all day long.