COOLFCA Sports Microfiber Cooling Towel for Instant and Endurable Cooling Effect, Six Colors, 30*100cm LIFETIME GUARANTEE for any quality reasons. Lightweight: Microfibre material make it very soft and lightweight and it is soft.So it is less bulky and therefore makes it less obvious. It is a prefect cooling towel for you if you like sports, such as running, swimming, hiking, yoga and so on. Long Cooling Effect:You just soak in water, wringing it and then snapping. It can keep you cool and refreshed for a long time. Chemical Free, Physical Cooling Effect. Endurable cooling effect and can last for a long time.