Goldwangwang Double-Tube Aluminum Alloy Emergency Survival Whistle with Keychain for Outdoor Sports and Activities<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Aluminum Alloy </span></li><li><span class="a-list-item"> Material: High quality aluminum alloy， durable and color last for a long time </span></li><li><span class="a-list-item"> Slim &amp; LightWeight: Each one is only 0.5oz(13g) &amp; 2.2x0.6in， Convenient to carry by putting it in pocket or hanging it your neck or keychain </span></li><li><span class="a-list-item"> Loud Whistle: Double-tube proporationale design， Loud whistle can be heard for far distance </span></li><li><span class="a-list-item"> Inner Hollow Chamber: without a bead in side， even flow into water can be normally used， you can play water games now </span></li><li><span class="a-list-item"> Versatil uses: Great for Lifeguard， Coaches， Referee， outdoor sports， emergency </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41WFKc%2B2uQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31jsKdxY-AL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/5182soTUWcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41e5HQTrUXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41n8W7bBkqL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51kZsFDrMPL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61jpPqSkzKL.jpg" noproxy>