The whistle's sound can be heard over long distances, making it an essential tool for outdoor enthusiasts. Whether you're hiking, camping, or boating, this whistle can help you signal for help in emergencies. Its robust aluminum construction makes it can withstand harsh outdoor conditions, providing peace of mind during your adventures. Features -Color:Silver -Material:Aluminum -Size: 5.50X1.50X0.80cm/2.16X0.59X0.31in -Versatile usage: this whistle is Suit for outdoor survival, emergency selfrescue, and parrot training, making versatility for different scenarios -sound: the dualhole design emits a sound that can be heard from a distance, making it for grabbing attention -construction: crafted from aluminum alloy, this whistle is built to withstand various outdoor conditions, making reliability and durability -Easy to carry: its small and lightweight design allows you to attach it to your keychain or backpack, making it is always within reach - signal: the loud and clear sound produced by this whistle makes that you can signal for help in emergencies Package list: 1 x outdoor survival whistle