Come and see our amazing products. Double tubes emergency whistle can provide up to 120 decibels, enough to be heard at long distance.Aluminum Alloy Material, strong and durable. Be used in all-environment all-weather, rainy day, humid weather with excellent airflow design.Loud safety whistle for camping, hiking, hunting, fishing, boating any kind of outdoor activities. Pls confirm with us about the packing info, stock color and exact production time before placing your order.