Hyper-evaporative breathable mesh material makes it easy to activate the chilling towel when you simply soak, wring out and snap it. The unique cooling system uses moisture from the towel to draw the sweat away from your skin to keep you cool. Everyone can use the cooling towel, even pets.The towel stays chilled for up to 3 hours (depending on conditions). No chemicals are used in the making of the cooling towels. It's perfect for hot flashes, outdoor activities, indoor exercise, fever or headache therapy, heatstroke preventio sunscreen protection, cooling while absorbingIt's perfect for sports fans into golf, swimming, football, workout, gym and fitness, also works for fever or headache therapy, heatstroke prevention, sunscreen protection, cooling while absorbing.