Signal Whistle – Orange *10-PackThe signal whistle’s sound can travel further than a human voice and other noises even if the perceived level of volume is similar.  Using a whistle requires much less energy than yelling or other means of signaling for rescue in an emergency situation.Features:Same whistle that is included with many MTI modelsAll-weather marine grade whistleMeets USCG requirements for a signal deviceNo metal or moving parts to break or corrodeBuilt-in clip and lanyard hole for tying cord to life jacket*Sold as a PackWARNING: This product can expose you to chemicals including ANTIMONY OXIDE (ANTIMONY TRIOXIDE),N,N-Dimethylformamide which are known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.