[Extremely Loud] This safety whistle has an unique double tubes design which produces 120 decibels easier to attract the attention of persons in the outdoors. It has an unique double tubes
[High Periodicity] The dual chambers without built-in peas and high frequency makes sure that the product won‘t mold and breed bacteria due to the pea.
[Premium Quality] The whistle is durable, waterproof and rust resistant which won't break or freeze under harsh conditions and is safe for gripping directly from mouth as it is made of ABS plastic.
[Easy To Carry] Carry it easily with the clip-on design attached to backpack, hike gear, life jacket, kayak, etc. It has a lightweight and tough plastic body with adjustable lanyard.
[Package Includes] 2 Plastic Emergency Whistles with adjustable Lanyard, 2 Aluminum alloy Whistles with key rings, 2 lanyards, 2 carbine clips.