Wide Applications: Suitable for referees, coaches, instructors, sports, rescue guards, teachers, self-defense, survival, emergencies, picking, bird or dog training, etc. Premium Quality: Food grade stainless steel, safe, durable and sturdy to use, much better than plastic. Loud and Loud: The sound is loud and crisp, you can quickly attract attention at any time .Free your hands: Each whistle comes with a black lanyard, you can easily hang it around your neck or on a wall hanger, helping you free your hands.Package included: the package includes 5 stainless steel whistles and 5 yellow lanyards, much better for everyone to use at any time, and you can send different men you like. 5 Pack Stainless Steel Whistle With Yellow Lanyard For Referee, Coach, Survival, Emergency, Soccer, Basketball, Hockey Auspicious