Crest 3D Whitestrips with Advanced Seal Professional Supreme<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> Advanced Seal technology allows you to talk， drink water and go about your day while you whiten and the Whitestrips® won't slip or leave behind messy residue </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Enamel safe and easy application. Same whitening ingredient dentists use </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Crest's® best at-home whitening is as effective as $500 in-office whitening treatments. Provides professional level whitening. Results last up to 12 months </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Start seeing a whiter smile after just 3 days </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Longer bottom strip is designed to reach more teeth for better coverage </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31rzd-wTd6L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31rzd-wTd6L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51JKJ4IYNYL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41SCB06ol7L.jpg" noproxy>