Description The whistle has wide using . No matter you are a or outdoor activities fan, and you need a whistle, then our premium whistle will be your best choice. Very practical and durable. Come and choose one for you! Features - Color: Silver. - Material: Stainless steel. - Size: 10.00X2.00X1.00cm/3.93X0.79X0.39inch. - Our whistle is made of premium and durable stainless steel material that can serve you for long time. - Easier to use than traditional whistles, it is easy to blow a loud, crisp sound every time. - Great for referees alike, the demonstrative shrill cuts through crowd noise and player chatter with ease. - This whistle is a good helper for outdoor products, compact and easy to carry. - The operation is simple, and it will sound as soon as it blows, very convenient to use. Our whistle is made of premium and durable stainless steel material that can serve you for long time. Easier to use than traditional whistles, it is easy to blow a loud, crisp sound every time. Great for referees alike, the demonstrative shrill cuts through crowd noise and player chatter with ease. This whistle is a good helper for outdoor products, compact and easy to carry. The operation is simple, and it will sound as soon as it blows, very convenient to use.