Durable and waterproof material: outdoor airport windsock is made of waterproof polyester material, thick design is durable and resistant to long-term wind, rain and sun damage. Lightweight helps maintain the shape of the windsock and achieve optimal wind direction.Size of the windsock: the directional rip-stop outdoor orange wind measurement sock bag is about 31.5 inches/80 cm long, the diameter of the air inlet is 25 cm (9.84 inches), and the diameter of the air outlet is 12 cm (4.72 inches).Reflective design: bright orange airport windsock can be used to judge the wind direction during the day, and its surface adopts the design of 3 silver grey reflective fluorescent straps, so you can judge the wind direction and strength even in the dark night.Portable wind gauge sock: our rainbow wind sock also comes with a replacement double swivel clip, stainless steel buckle, high flexibility, strong, durable and easy to disassemble. You can pack the folded windsock in a backpack or toolbox without taking up too much storage space.Wide range of applications: airport windsock can not only be used for windsocks on farms and fields, it can also be used to test wind direction at airports, industrial locations, meteorology, gardens, lawn, chemical, environmental protection, agriculture and other industries.