describeSpecifications: 7 piecesapplication:1. Exogenous tooth discoloration (affected by coffee, tobacco, sauce, tea, food, etc.)2. Teeth discoloration (mild dental fluorosis or tetracycline staining)3. Hereditary yellow teeth4. Other causes of tooth discoloration5. Anyone who wants a whiter, brighter smilefeature:Provides a non-slip grip so the strip will stay in place until you remove itYou can talk and even drink water while whitening your teethRemove the mold according to the tooth shapeTape peels off easily and cleanlySteps to easily create a beautiful, white smile:1. Peel off the white strip from the backing2. Apply firmly to tooth3. Show a whiter smilePackage includes:1 x Advanced Whitening Strips