Product Description Want to remove years of stains with at-home teeth whitening? Try Crest 3DWhitestrips Age Renew. This teeth whitening kit removes 30 years of tough stains in 2 weeks with a comfortable, no-slip 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 Age Renew from the #1 dentist-recommended at-home teeth whitening brand. This enamel-safe, at-home teeth whitening kit provides professional level whitening and will give you a 100% noticeably whiter smile, guaranteed. Simply apply Crest 3DWhitestrips Age Renew for 60 minutes a day for 21 days. This pack includes 42 teeth whitening strips, 21 for your top teeth and 21 for your bottom teeth. Manufacturer's Notice IMPORTANT TIPS: • This item does require consumers to use correctly and errors can occur if not applied correctly by the consumer. • The product is known to cause some teeth sensitivity due to the effectiveness of the product (and this sensitivity varies by consumer and to be used with consumer discretion) • On occasion, consumers have been known to not remove the adhesive entirely or incorrectly; which removes the product and or does not allow proper adhesion (“not sticky enough”) Brand Story By Crest