Achieve a brighter whiter smile with Ultra-White 11 Day Whitening Strips which are engineered to meet the needs of anyone looking for teeth whitening. These whitening strips compare to Crest 3D WHITESTRIPS BRIGHT. Each pack contains 22 strips equivalent to 11 EasyFit® treatments that provide a comfortable fit excellent adhesion and easy application for both upper and lower teeth. The secret to a dazzling smile is just 3 easy steps away and requires only 30 minutes a day. With these whitening strips you can remove years of stains in just days using the same enamel-safe ingredient that dentists rely on. Ultra-White 11 Day Whitening Strips are the ideal choice for teeth whitening that is safe for the enamel making them perfect for at-home teeth whitening. For the best results utilize this product every 3 months or as needed to maintain that beaming white smile.