Crest 3D White Whitestrips are A Great Way to Whiten. Think your whitening toothpaste is giving you the whitest smile you can get? Think again. Crest 3D White Glamorous White Whitestrips can dial up your dazzling smile 25X better than a leading whitening toothpaste.* Their no-slip grip means the strips stay put until you take them off, allowing you to talk and even drink water while you whiten. Use them once a day for 30 minutes to elevate your white smile to the next level.Crest 3D White Glamorous White Whitestrips:Whiten 25X better than a leading teeth whitening toothpaste*Give you results that last 6 months and beyondRemove 10 years of tough, set-in stains from coffee, wine and smokingUse the same enamel-safe whitening agent that dentists useAdvanced Seal™ Technology’s no slip grip stays put. No slipping, no sliding Whitestrips are so easy to use: you can whiten while you walk, talk, work, even drink waterThe strips mold to the shape of your teeth and come off cleanlyUsage: Apply once a day for 30 minutes. You'll start seeing a whiter smile after three days, with full results in 20.