Product details:

About Details Product Dimension Package: 1 Piece / Individual Plastic Box Whistle Size: 2-1/6 X 4/5 X 4/5 Inch Box Size: 3-1/3 X 1 X 5/7 Inch. Product Material 100% Made Of High-impact Abs Plastic; Nylon Detachable Neck Lanyard; Metal Lanyard Ring. Safe, Durable And Sturdy To Use. Convenient To Carry Comes With Anylon Detachable Lanyard. You Can Wear It Around Your Neck. And It Can Be Easily Attached To Keys, Id Badge Reels Or Belt Clips Etc. Super Loud And Clear Tone No Cork Ball, No Over Blowing And No More Moisture And Germs Being Absorbed Into The Cork Surface. No Internal Movable Parts To Obstruct Its Sound Or Stick, Freeze Or Jam Up From Over-blowing. 3-chamber Produces Piercing Decibel Levels That Can Be Heard Above Crowd Noise, Breaking Waves Thundering Gale-force Winds.