Simply soaking-wring out and snap it, just a few seconds the chill towel will keep cooling for several hours and reactivate the chilling by repeating the steps. Towel is a lightweight & thin & compact (40"x 12") Outdoor Sport Towel meant to be used WET or DRY, retains water and maintains coolness while staying dry to the touch. It is also quick-drying, silky soft and very durable.