Instant cooling relief! Wrap around neck, head or wrist to keep cool on hot days. Non-toxic and non-flammable Cooling Crystals sewn into the fabric absorb hundreds of times their weight in water! Uses evaporative cooling to provide relief from the heat. 80/20 poly/cotton blend is washable & reusable. Ideal for Outdoor Activities (jogging, cycling, boating, etc.), Event Planning (golf tournaments, picnics, etc.), Fund-Raising (walkathons, pep rallies, charity runs), Sports (tennis, golf, etc.)