Soak your BluBandoo cooling Bandoorag in water for only five minutes to keep cool for hours. Lowers body temperature though evaporative forehead cooling. Dries to the touch within minutes, yet keeps cool for hours, even days, without refrigeration. Reduces risk of heat stroke. Great for sports, work, play and leisure. Contains non toxic, high performance, five minute hydrating crystals within the sweatband area. Includes a two channel, flat cooling band design for optimum forehead surface cooling. Doorag style headkerchief with tie closure. Features top of the head fabric protection from the sun. Reusable, again and again, by repeating hydrating steps. Hand washable.