Paracord Planet Single Barrel Black Cord Lock Draw String Toggle Stopper - Choose from 5， 10， &amp; 20 Pack Sizes<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Dimensions: 7.5 x 33.7 x 16mm</li><li>Color: Black</li><li>Material: Plastic with internal metal spring (spring loaded)</li><li>Press the button to release tension to move up &amp; down a drawstring to desired location</li><li>Add it to any drawstrings， lanyards， backpacks， and more!</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Y8MT-l7JL.jpg" noproxy>