Description Multi-use hand squeeze whistle as sports whistle, referee whistle, whistle, guard whistle, emergency whistle, survival whistle, police whistle and safety whistle. In addition, it is equipped with a ring, and you can suspend it on your keychain or backpack. Features - Color: As Shown -Material:PVC - Size: 11.00X6.50X6.50cm/4.32X2.55X2.55in -Multifunctional, suitable for survival, outdoor activities, emergency rescue and other scenarios -Designed with a hole, it is easy to carry, or only wear it around your neck with a lanyard. -For referee, teachers, training, survival, emergency, training bird or dog, etc. -Made of PVC material, this hand squeeze whistle pendant is very safe, decorative and permanent. -Best gift for your teachers, referee, teachers or your friends who are a big fan of outdoors activities. Multifunctional, suitable for survival, outdoor activities, emergency rescue and other scenarios Designed with a hole, it is easy to carry, or only wear it around your neck with a lanyard. For referee, teachers, training, survival, emergency, training bird or dog, etc. Made of PVC material, this hand squeeze whistle pendant is very safe, decorative and permanent. Best gift for your teachers, referee, teachers or your friends who are a big fan of outdoors activities.