Think your whitening toothpaste is giving you the whitest smile you can get? Think again. Crest 3DWhitestrips Glamorous White Plus 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 Glamorous White Plus 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 11 levels whiter. Simply apply 14 treatments of Crest 3DWhitestrips Glamorous White for 30 minutes a day and 2 treatments of 1 Hour Express for 60 minutes. This pack includes 32 teeth whitening strips, 16 for your top teeth and 16 for your bottom teeth, to be used over the course of 16 days.