Product Spezifikationen: Material: Plastic Quantity: 4 Pieces Color: Blue,Green,Red,Black Sound: Crisp and Clear Product Size: 50x22x18mm Product Features: You will fall in love with your colorful series whistles Our thickened plastic whistles,They won't break easily You can use them for hiking, hunting, backpacking, archery, fishing, swimming, boating, kayaking,Holiday party, etc