Metal Referee Sport Whistle

Features: Durable and lightweight. Very portable and easy to use. Simple silver color design, very fashion and beautiful. If you use it with a ring, it can easilly hang in your bag. Ideal for outdoor activities, hiking, camping, pet chaining and emergencies. Very high volume blow sound Descriptions: Tip: Use three sharp bursts to indicate a call for help. Use two bursts to answer a call. A great attention getter! Fit for - school sports training,basketball,soccer,football and other sports, for referees, coaches, or anyone who needs a safety whistle. Specifications: Material: Metal Size: 4.5 x 1.8 x 2.1 cm Color: silver Package included: 1 x Whistle