· Material：Aluminum Alloy
· Item Type：Loudest Whistle
· Multi-Function whistles for referee teacher coach Lifeguard, or anyone who needs a safety whistle in emergency. Also a nice gift for children or elder.
· Emergency Survival Coach Whistles Referee Gear Lifeguard Loud Whistle With Double Tubes For School Gym Camping Hiking Training Hunting Football Basketball Game,etc.
· Loud sound can be heard far distance.
· Looks like small item, but potentially important one.
· This Emergency Whistle & Keychain could be a life-saver.
· 2 X Loudest Whistle