Specification: 
1. Product name: High Decibel Outdoor Life-saving Emergency Whistles 
2. Food hygiene grade stainless steel manufacturing 
3. Field rescue whistle tool 
4. Size: 58mm*18mm 
5. Color: Random

Features: 
1. Loud, Up to 150db, Spread further 
2. Whistle Inclined smooth and evasive whistle hole 
3. Used to sports events, ask for help, Training pet ect 

Package Included:  1*whistle