Features:1. Loud Crisp Sound: Emergency whistle can reach a maximum of 120dB quickly.2. High Quality: Stainless steel whistles are more sturdy than plastic whistles.3. With Lanyard: Our referee whistle come with a black lanyard to hang around your neck for easy carrying.4. Widely Uses: Whistles have a wide range of uses and can be used by teachers coaches traffic police and so on.Specification: Size:Whistle: 1.7 inches*0.7 inches*0.4 inchesLanyard: 15.3 inchesNotice:The size may have a little deviation under manual measurement.