Features - H&S sports whistles are made of stainless steel with nylon lanyard - With natural cork pea, the sound is loud and clear. Easily up to 120dB. - The nylon lanyard strap can wear it around neck - Super loud whistles are perfect for Coaches, Referees, Lifeguards, and any outdoor use - Hiking, Boating, Fishing, Biking, Camping etc.Measurements - Whistle Size: 1.8? x 0.7? x 0.8? / 4.5 x 1.8 x 2.0cm - Weight: 14gPackage Contents - 3 x Sports Whistles