Specifications: Plastic whistle Whistle material: ABS plastic, no odor, no carcinogenicity. Coach referee whistle color: black/red. Loud whistle: 120 decibels. The sound is round and has strong penetrating power. Whistle size: 1.9x0.68x0 .68 inch whistle, 4.1x5.9in with lanyard package, 2 whistles in it. Whistle function: food-grade material, ABS thick plastic is safer and more durable. Both colors are equipped with a comfortable nylon lanyard. The total length is 19 inches. This plastic whistle is very suitable for coaches, referees or parties. The whistle is clear and loud, does not use a pea whistle core, does not mold, and has a longer service life. 100% service: the promise is valid