Высокое децибелл металлический походный свисток анти ржавчина эхолот обучение домашних животных аварийный Открытый выживания Портативный рефери три трубки спортивные

Descriptions:
100% new and high quality.
Made of high strength titanium magnesium alloys material, anti-rust and durable.
Easy to blow whistle, adapt to bad weather or conditions.
Smooth whistle holes, 3 tubes design, high decibel and louder sound.
Specifications:
Material: titanium magnesium alloys
Color: grey, gold, dark grey
Size: about 5.7x3.5cm
Package Included:
1pc x whistle
Note:
1. Due to the light difference, the item's color may be slightly different from the pictures.
2. Please allow 0.5-2 cm differences due to manual measurement.