Ergodyne 5050M Mouthpiece Replacement<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> EVA </span></li><li><span class="a-list-item"> 1" high </span></li><li><span class="a-list-item"> 3" wide </span></li><li><span class="a-list-item"> Mouthpiece replacement for Ergodyne Chill-It's Hydration Packs </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41sl9yLAgzL.jpg" noproxy>