Description: 1、LOUD SOUND: This brass whistle emergency whistle can produce more than 100 decibels of sound at a long distance. Our Loud Survival Whistle can sound an alarm when you need help in distress. 2、BRASS MATERIAL: The loudest emergency whistle is made of solid brass, which is sturdy, durable, and anti-rust. The waterproof design of the emergency whistle keeps you from worrying about getting it wet. 3、HIGH-GRADE BRASS WHISTLE: This Vintage Brass Whistle is very suitable for communicating in the wild. Our Dragon Head Whistle can also be used in sports competitions and so on. You can wear the whistles on a backpack, belt, or around your neck to carry it. 4、UNIQUE SOUND: The thick brass material brings you a different sound. Our emergency whistle can be used as a tool for sports competitions, outdoor communication, and pet interactive tool. 5、QUALITY AFTER-SALES: If you have any questions or suggestions, please feel free to contact us, we will provide you with quality after-sales service. Hope you have a pleasant shopping experience. Made of durable solid brass material, the Emergency Whistle is anti-rust and waterproof. This brass whistle emergency whistle can produce more than 100 decibels of sound at a long distance. The Emergency Whistle with a hole can be tied to a backpack, belt, necklace, or keychains. This Loud Emergency Whistle is suitable for camping, hiking, hunting, fishing, boating outdoor activities. Specification: Material: brass Name: Emergency Whistle Keychain Whistle Size: length about 5.9cm/2.3in, width about 2cm/0.78in, Weight: about 27g Package List: Brass Whistle*1 Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 0.1-2cm measuring deviation due to manual measurement.