Want a whiter smile at home? Choose Crest 3DWhitestrips from the #1 dentist-recommended at-home teeth whitening brand and get 100% noticeably whiter teeth guaranteed. Achieve a brighter whiter smile in just 12 days with Crest 3DWhitestrips Vivid Plus. This offering features 30-minute teeth whitening treatment makes it easy to whiten teeth without leaving the house and also comes with 2 bonus 1 Hour Express treatments for fast results. Plus the Advanced Seal Technology�s comfortable no-slip grip stays put so you can talk and drink water and chat with friends even while whitening your teeth. Simply apply Crest 3DWhitestrips Vivid Plus for 30 minutes a day for 8 levels whiter teeth. This pack includes 24 teeth whitening strips 12 for your top teeth and 12 for your bottom teeth to be used over the course of 12 days.