1/5/10pcs Multifunctional Aluminum Emergency Survival Whistle Portable Keychain Outdoor Tools Training Whistle Camping Hiking

 https://www.aliexpress.us/item/1005005243483762.html?spm=5261.ProductManageOnline.0.0.396c4edfO0sIGP&gatewayAdapt=glo2usa&_randl_shipto=PL 

Material: Aluminum alloy, double anodized treatment, not easy to fade

Color: gold, blue, green, red, black(send by random ) 

Size: Length without ring 47mm, diameter 9mm

Package Included:

1 x Camping Survival Whistle

Features:

Double-layer anodizing treatment, not easy to fade; Small and strong, outdoor travel, you can confirm the location, avoid getting lost, find companions, and other help, can be hung on the key chain as an ornament.

Elegant personality, whistle blowing sound sharp and loud aluminum alloy outdoor survival whistle, features loud sound, long transmission distance.