Fox 40 Classic Official Whistle with Break Away Lanyard<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>115 Decibels of high pitch Shrill rises above ambient noise-can be heard up to a Mile away</li><li>100% constructed of high-impact ABS plastic-So they're 100% impervious to moisture</li><li>Pealess Design， No moving parts-nothing to obstruct sound， nothing to jam， break or freeze</li><li>First Choice of; NFL， NCAA， NBA， CFL FIBA and FIFA</li><li>Fox 40 cannot be overblown-the harder you blow， the louder the sound</li></ul></div><img src="http://ecx.images-amazon.com/images/I/417Q2azlcHL.jpg" noproxy>