Think your whitening toothpaste is giving you the whitest smile you can get? Think again. Crest 3DWhitestrips Luminous removes over 15 years of stains with a comfortable, no-slip teeth whitening experience. The Advanced Seal Technology's no-slip grip means the strips stay put until you take them off, allowing you to talk and even drink water while whitening your teeth. Choose Crest 3DWhitestrips Luminous from the #1 dentist-recommended at-home teeth whitening brand and get 100% noticeably whiter teeth, guaranteed. Using the same hydrogen peroxide whitening ingredient as dentists, this enamel-safe, at-home teeth whitening kit will make your smile 9 levels whiter. Simply apply Crest 3DWhitestrips Luminous for 45 minutes a day for 10 days. This pack includes 20 teeth whitening strips, 10 for your top teeth and 10 for your bottom teeth, to be used over the course of 10 days.