Windsock - TOOGOO(R) 100cm Aviation Windsock Rip-stop Wind Measurement Sock Bag + Reflective Belt High strength windsock, nylon cloth material, rope made of high quality reflective tape. Easy to install, colorful, high flexibility, long life and other advantages. Dip galvanized hook, durable, not easy to fall off. Placed outdoors, to indicate wind direction. Windsock use to observe meteorological wind, with the installation convenient, visible rate, long life, etc.. Application: Widely used in meteorology, chemical industry, environmental protection, agriculture, oil exploration, oil drilling and other industries.