10 Pcs Safety Whistle Marine Whistle Plastic Whistles with Lanyard for Emerge…
Double tube design，each whistle can produce high and low frequency sounds. It's suitable for team and individual use. Special Design: The whistles with lanyard 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.
AUGSUN 10 Pcs Safety Whistle Marine Whistle Plastic Whistles with Lanyard for Em
Special design: These survival whistles can be threaded lanyard or directly clipped on the pocket of clothes or wherever you want to clip, its cord can be hanged around your wrist and neck. Double tube design，each whistle can produce high and low frequency sounds.