Honoson 100 Pcs Whistle for Adults with Lanyard Plastic Safety Emergency Whistle Survival Loud for Lifeguard Coaches Hiking Self Defense Outdoor Camping AccessoriesSufficient Quantity: the package comes with 100 pieces of plastic whistles with lanyard in bright red, which are easy to be noticed, and very suitable for lifeguard, self defense and emergency Loud Survival Whistle: these emergency whistles can produce up to 120 decibel dB sound power, enough to be heard over a mile away, which are ideal whistles for many occasions Reliable Material: the safety whistles are made of quality ABS plastic, sturdy and