【Size】Ti9021O: (H)3.39cm*(L)1.6cm (whistle). Weight: about 11g. Made of high quality Titanium. The waterproof, anti-corrosion material enable the whistle more durable and resistant to various complex environments. With a short black rope, it can be tied to the zipper of a backpack or clothes, which is very portable.
【Super loud】This little whistle can make a super loud and shrill sound of up to 120 decibels, double tubes emergency whistle can provide up to high decibels, enough to be heard at long distance.
【Ultra-Light】The whistle weighs only 11g. It can be hung on a backpack or key chain, lightweight and portable to carry around.
【Multi-Functional】 The pea-less design allows the whistle to work in all conditions, delivering an instant sound without being distorted by water or dirt. It works well for both indoor and outdoor uses like emergency survival, hiking, camping, traveling, pet training, boating,etc.
【Wide Application】 Come with a sturdy, durable woven rope. You can hang around on your neck for easy use. Let this compact and lightweight whistle become your perfect EDC partner.