Super lightweight cloth, suitable for fitness, hiking, and travel. The cloth cools down to 16 °C instantly. Packaged in a handy bottle with a black cap that can be used as a carabiner hook for attaching to a backpack. The finely woven cloth measures approximately 95 cm x 30 cm. How the cooling cloth works: Remove the cloth from the bottle and dampen it with water, then place it on the neck. The cooling effect occurs immediately, down to 16 °C.