Come and see our amazing products. Aluminum alloy outdoor survival whistle can make big and bright sound, which can be heard from a long distance, very useful for various emergency situations; During outdoor travel, you can confirm the direction for you, avoid getting lost, find companions, etc.each emergency whistle is equipped with a round key chain ring, compact and strong, elegant personality, can be hung on the key ring as an ornament, portable design, easy to carry around. Pls confirm with us about the packing info, stock color and exact production time before placing your order