Description: Featuring black lanyard design, this whistle can be easily hung around your neck to help you free your hand and prevent it from getting lost. The whistling channel design allows it to blow moderately, and the whistle is loud and clear, which can completely cover the crowd and the noise of the natural environment. It can be widely used in the fields of maintaining order, traffic command, controlling situation, rescue and relief, survival and rescue, entertainment, sports, ports, construction, etc. It is constructed of ABS material. The length of this product is 5cm, the width is 1.7cm and the height is 2.1cm. Applicable to basketball, football, volleyball, various sports or competitions, and ports, buildings, transportation and other fields. And great for referees, coaches, training, teachers, survival, emergency, school, gym, etc. Item Name: Whistle Material: ABS Features: Lightweight, Portable, Loud Crisp Sound Size Details: L: 5cm/1.97", W: 1.7cm/0.67", H: 2.1cm/0.83" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Whistle 1 x Lanyard