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• Safety whistle--with great sound penetration, can be easy to whistle and make a loud, clear sound you can quickly catch the crowd's attention anytime you want,whistle sport
• Rustproof whistles--delicate metal whistle is very loud and easy to blow exquisite carving, metal crafts, long serving time,whistle hanging rope
• Whistle for hiking--suitable for outdoor activities, such as hiking, fishing, camping, boating, hunting, also can be a lifeguards, PET dog training, etc,loud emergency whistles,
• Referee whistle set--made of , the whistle is solid and durable not easy to deform and rust,noise making whistle
• Tainless steel sports whistle--metal whistle is great for life saving, PE lesson, referees, coaches, training, teachers, survival, emergency, school, gym, etc,referee whistles