Emergency Survival Whistles Double Tubes High Decibel Whistle with Keychain for Camping Hiking Outdoor Sports

Feature: 1. Made of high quality stainless steel, safe and hygienic, anti fall and durable. 2. Double tube design, can provide whistle up to 150 decibels, enough to hear from a distance. 3. Strong environmental adaptability: Our lifeguard whistle has no built in peas, so it is waterproof. Adapt to various environments, rainy days, dusty places, etc. 4. Multi functional, suitable for sports referees, emergency situations, dog training and many other purposes. 5. With a keychain, you can tie it to your backpack and belt. Easy to carry travel, camping, fishing, etc. 6. Specification: Material: Stainless steel Size: about 5.7*0.9*1.8cm Package List: 1 x Emergency Survival Whistle