Quantity:40 pcs safety survival whistles with lanyard in 2 bright colors, 20 pieces in each color, great for team use.
Quality whistles: this set of whistles is made of high impact plastic, very lightweight, sturdy and durable to use. Double tube design，each whistle can produce high and low frequency sounds.
Conspicuous colors: these whistles are in 2 conspicuous colors, red and orange, very bright, can attract others' attention outside, help you to be found easily
Special design: the survival whistles are designed with a clip and a nylon cord for securing on your belt or life jacket.The length of the cord can be adjusted freely. It's convenient to hang on the neck and wrist wherever you want.
Easy to use: these whistles are easy to let out high-pitched sound which is can be heard from a long distance, can be applied in sailing, hiking, boating, kayaking,camping, hunting,emergency survival, rescue and so on.
