Multi-use whistle as sports whistle, referee whistle, whistle, guard whistle, lifeguards whistle, sportswhistle, survival whistle, self-defense whistle, police whistle and safety whistle. In addition, it is also a craft ringwith ring design. Features -Color:Black -Material:ABS -Size:9.00X5.00X2.00cm or 3.54X1.97X0.79in - Delicate whistle is very loud and easy to blow. Exquisite carving, ABScrafts, long serving time.- Suitable for outdoor activities, such as hiking, fishing, camping, boating, hunting, also can be a lifeguards, pet dog training, etc.- Whistle is small in size, light in weight and easy to carry, you can take it with you wherever you go.- Whistle can be a great gift for friends and family. They will be happy.- Exquisite workmanship, reasonable structure, professional and practical, can bring you convenience.Packing list: 2 x Whistles