High Quality Double High Decibel Stainless steel Outdoor Emergency Survival Whistle Keychain Cheerleading Whistle

Specification:
Material: Stainless steel
Color: Black, Silver
Thickness: 9mm
Length: 57mm
Width: 18mm
Weight: About 26g

Features:
HIgh strength stainless steel, anti-rust and durable.
Smooth whistle holes, up to 150db volumn, louder soud.
Easy to blow whistle, adapt to bad weather or conditions.

Package Included:
1 x Outdoor Survival Whistle