Mornei Sports Whistle with Lanyard Lifeguard Security Whistle Emergency Whistle Coaches.This pack contains 1 whistle that is suitable for coaches, referee, trainers, officials, lifeguards, animal trainers, and traffic policeCoaches whistle features a three tube design, produces a very clear sound, you can quickly attract the crowds attention anytime you wantMade from stainless steel material, this referee whistle is safe and sturdy for long term useEach whistle comes with a lanyard for easy use and to prevent lossProfessional sports whistle is suitable for various activities such as school sports training, football games, basketball, volleyball, competition, emergency, outdoor hiking or camping, etcstainless steel sports whistle with lanyard. teachers football soccer whistle. Professional adults whistle super loud sound. coaches coaching hiking competition equipment. Camping Survival Emergency Outdoor Accessory. [Material]: Made from stainless steel material, this referee whistle is safe and sturdy for long term use [Loud and Clear Sound]: Coaches whistle features a three tube design, produces a very clear sound, you can quickly attract the crowds attention anytime you want [Package Includes]: This pack contains 1 whistle that is suitable for coaches, referee, trainers, officials, lifeguards, animal trainers, and traffic police [Wide Application]: Professional sports whistle is suitable for various activities such as school sports training, football games, basketball, volleyball, competition, emergency, outdoor hiking or camping, etc [Convenient Design]: Each whistle comes with a lanyard for easy use and to prevent loss