Description: Made of high-quality material, light weight, to prevent damage from wind, rain and sun. Easy to install, widely used in meteorology, chemicals, environmental protection, agriculture, and other industries Easy to fly, bright colors and refective stripes. Secured with solid braided refective strings and durable metal clip. To let you get the experiences of detecting wind direction with red reflective tapes. Specification: Material: Waterproof oxford cloth Color: Orange Size Chart: 60cm: Length: Approx. 60cm/ 23.62inch, Inlet Diameter: 18cm/ 7.1 inch, Outlet Diameter: 10cm/ 3.94inch 80cm: Length: Approx. 80cm/ 31.50inch, Inlet Diameter: 23cm/ 9.406inch, Outlet Diameter: 12cm/ 4.72inch 100cm: Length: Approx. 100cm/ 39.37inch, Inlet Diameter: 34cm/ 13.39inch, Outlet Diameter: 17cm/6.69inch 150cm: Length: Approx. 150cm/ 59.06inch, Inlet Diameter: Approx. 45cm/ 17.72inch, Outlet Diameter: 23cm/ 9.06inch Package Includes: 1 Piece Windsock Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.