Survival Double pipe whistle outdoor help whistle stainless steel whistle BG

Description

Name:Double survival whistle
Material: food grade stainless steel
Thickness: 9mm
Length: 57mm
Width: 18mm
Side: 9mm
Weight: 25g
Color:grey black
Simple and elegant shape, streamlined design, easy to sound, dual-hole dual-tube design, volume up to 150 decibels, with alloy chain ring
On Jul-07-21 at 22:33:08 PDT, seller added the following information: