Whistles High Decibel With Keychain For Boating Signaling Loud Survival

for Outdoor 150 Decibels Necklace Lanyard for Outdoor Hiking Camping

Features
and
for precision-machined to non-allergenic, lightweight and
can provide up to 150 decibels, enough to be heard at long distance.
Can be hung around the neck, easy to carry.
Can be used in all-environment all-weather, rainy day, humid weather.
Loud for camping, hiking, hunting, fishing, boating any kind of outdoor activities, also for dog training.

Specification:
Color: metal color
for alloy

A(single tube)
Size: 54×9×9mm/2.13"×0.35"×0.35"
Weight: about 10g

B(double tubes)
Size: 54×21×9mm/2.13"×0.83"×0.35"
Weight: about 27g

Note
1cm=10mm=0.39inch
Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package Includes:
1 × for