Feature●Size: Whistle: Diameter 4.3 inches (11 mm), Length 2.8 inches (72 mm), Carabiner Ring Total Length 3.3 inches (●Weight: 1.9 oz (54●Materials: Aluminum, PolypropyleneDescription
A whistle that notifies rescuers of their locations.
Built-in ID memo allows rescuers to instantly convey accurate information.
Comes with a carabiner for easy carrying.