Windsock are used to help determine wind speed. Windsocks are commonly used at airports, chemical plants or other places where knowing wind direction is important. These windsocks are made of durable flourescent orange coated vinyl material and are made right here in the USA. Windsocks are responsive to even light winds and fade resistant. The windsocks are sold individually or with hardware, or you may purchase the hardware kit by itself which includes fasteners, nylon ties, and standard frame.