Crest 3D White Whitestrips are A Great Way to Whiten.Get visibly whiter teeth in just 30 minutes a day Crest 3D White Classic Vivid Whitestrips are clinically proven to whiten teeth, and are perfect for those new to teeth whitening. These enamel-safe whitening strips give you visibly whiter teeth with noticeable results in just 10 days, satisfaction guaranteed.Crest 3D White Classic Vivid Whitestrips:Deliver visibly whiter teeth, with full results in 10 daysRemove tough coffee, wine, and smoking-related teeth stains for a whiter smileProvide a comfortable at-home teeth whitening experienceUse 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. Full results in 10 days.