Come and see our amazing products. This emergency whistles are made of aluminum alloy and metal keychain, not easy to break, fade or corrode. 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, easy to carry around. 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; Size: 1.85" x 0.35". Pls confirm further with
us if any query about packing info, inventory status and time
schedule.