welcome to my store , Hope you have a pleasant shopping trip! Features: 1.Scope of application: pastoral, meteorological, chemical, environmental protection, agriculture, petroleum exploration and other industries.2.Orange, with reflective fluorescent tape, the color is bright and beautiful, sparkling in the sun3.New type windsock: easy to fly in the breeze, bright color, with reflective fluorescent band, it is easy to attract the surrounding eyes4.Easy to install, comes with a hook, can be hung anywhereSpecification:Material: high quality plastic Size: length (80 cm / 30”) Air inlet diameter (23 cm / 9”);Length (60 cm / 23.6 ”) Air inlet diameter (18 cm / 7 ”);Length (100 cm / 39 ”) Air inlet diameter (34 cm / 14 ”);Length (150 cm / 59 ”) Air inlet diameter (45 cm / 18 ”)Package List:1X WindsockNotes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2. Please allow 1-2cm slight dimension difference due to different manual measurement.