mekueeex 50 PCS Loudest Brass Whistle Premium Emergency Whistle 80db+ One Piece Outdoor Survival On Key-Chain or Hang Around Your Neck and Carry it Anywhere

["Ample Whistle Bulk Supply: This 50-piece set of brass whistles provides a cost-effective bulk solution for teams, events, or long-term emergency preparedness, eliminating the need for frequent repurchases of individual whistle emergency items.","Durable Brass Construction: Crafted from solid, high-quality brass, each whistle is built to last. The material is naturally rust-resistant and far more durable than plastic alternatives, ensuring reliable performance in demanding conditions.","Compact & Portable Design: Each emergency whistle measures approximately 1.5 x 0.35 inches, making it incredibly compact and lightweight. The integrated small metal ring allows for easy attachment to keychains, lanyards, or gear, ensuring it's always within reach.","Powerful, Attention-Grading Sound: Engineered for maximum audibility, this safety whistle produces a sharp, penetrating sound that can cut through ambient noise to signal for help or convey commands effectively during critical situations.","Versatile Application Scenarios: An essential tool for outdoor enthusiasts (camping, hiking, kayaking), sports coaches, dog trainers, security personnel, and for emergency kits. This reliable whistle serves as a vital safety device for communication and distress signaling."]