Aluminum Keychain Survival Whistle

Made of aluminum alloy and metal keychain, it is durable, non-toxic, and not easy to break, fade, or corrode. This lifeguard whistle can make a loud sound and is a great tool for outdoor activities such as camping, hiking, hunting, mountaineering, and boating. It is also an excellent gift for seminars, conferences, trade shows, and other promotional activities. Quantity over 3000pcs price by sea