Evaporative cooling towel features: advanced Poly Vinyl Alcohol (PVA) material that absorbs water and sweat efficiently and remains active for hours. Natural evaporation provides a cooling sensation delivering comfort in warm environments. Rinse the towel prior to use and wrap around neck, head, or wipe down other pulse points for exceptional cooling comfort. Designed to be used over and over again; when it begins to dry out simply rinse again. Machine or hand washable. Includes plastic storage container. 13"x31".