Dr. Tung's Ionic Toothbrush Head Refill Twin Pack 1 Set<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> Hold handle tightly in one hand. </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Hold brush with other hand and pull away from handle. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41R9H0WFnQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51u4MuunByL.jpg" noproxy>