Specification: Plastic whistle Material of whistle: ABS plastic, no peculiar smell, Coach referee Loud whistle: 120 decibels. The sound is round and penetrating. Whistle size: 1.9×0.68×0.68 inch whistle, 4.1×5.9in with lanyard bag, there are 2 whistle inside. Whistle function: food grade material, ABS thick plastic is safer and more durable. This plastic whistle is perfect for coaches, referees or parties. The whistle is clear and loud, does not use pea whistle core, does and has a longer service life. 100% service: the promise is effective