Easily up to 120dB. You can be heard in any situation where you need to command attention. Made of high-impact ABS plastic, durable and easy to use. Each whistle comes with a soft comfortable lanyard. Many uses: Sports, hockey, volleyball, basketball, soccer, cross country, racing| Watersports, lifeguard, swimming, boat and marine safety| Outdoors, hiking, hunting, camping, survival, emergency. You will get 2PCS black whistles with lanyards. All our whistles are 100% satisfaction guaranteed. ASIN B07WQ33R4S Color Black A Material Abs,Plastic Brand Name Fya Part Number 16 Manufacturer Fya Package Weight 0.02 kg Item Dimensions LxWxH 3.94 x 3.54 x 0.67 inches Item Package Dimensions L x W x H 5.51 x 3.54 x 0.79 inches