ANLEY 30 Inch (80cm) Windsock Rip-stop Nylon Wind Direction Measurement Sock Bag with Reflective Belt - For Outdoors Airport Farm & Park - Orange 2.5 Feet : Amazon.co.uk: Garden
Windsock - Science World
QAVILFLY 30 Inch Windsock - Windsock With Reflective Belt - Nylon Weatherproof Wind - Rip-Stop Measurement Sock Bag For Outdoor Wind Measurement Orange - 2 Pcs : Amazon.co.uk: Garden
Did you know that the white and orange strips on windsocks are not for decoration, they actually indicate relative wind speeds - Patent Yogi LLC