DescriptionProfessionaloutdoor lifeguard whistle, can also be buckled in the backpack to buckleany ribbon, is the choice of outdoor sports equipment. Little things dobig things when the chips are down.After polishing, through advancedpickling process, it can effectively protect the sentinel body, not easyto scratch, and anti-oxidation.Features- Material: Brass - Can suspend in clothes, backpack chest belt! Professional outdoor lifeguard whistle.- For referee, teachers, training, self-defense, survival, emergency, herding, training bird or dog, etc.- Best gift for your teachers, referee, teachers or your friends who are a big fan of outdoors activities.- Made of premium and durable brass material, it is very safe, durable and permanent.- The safe and durable material can also avoid the damage to the mouth and teeth.