Package Content: You will receive2pcs plastic sport whistles Enough for your daily demands and replacements.  The size of whistle is about 17x21x50mm / 0. 67x0. 83x1. 97inch.  Please check the size before purchasing. 
  You can use them without any worry.  And the sound is also loud and clear. 
Easy to Use: For convenience, we have equipped each sports whistle with a soft nylon cord of 45. 7cm / 18inch (after folded), which can free your hands and hang it easily around your neck
Widely Applied: Our whistles are very practical, which can be used for coaches, leagues, lifeguards, pets, sport, training, hiking, etc. 
 
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