WhistlesPerfect for the Coaches, Referee, Football Coach, Basketball, Soccer, Hockey, Lifeguard - Protect Yourself for Storm Safety, Survival, Emergency (2) Any teacher, ref, or official needs one of these official sports kit or with their game jersey Loud for a lifetime of practices, games, gym, walks, runs, recesses or we will send you a new one! When you want ATTENTION this whistle will deliver and you will not be disappointed. Loud whistle, great for sporting events, camping & hiking,boating.