describe Specifications: 7 pairs 14 pairs application: 1. Exogenous tooth discoloration (affected by coffee, tobacco, sauce, tea, food, etc.) 2. Tooth discoloration (mild dental fluorosis or tetracycline staining) 3. Hereditary yellow teeth 4. Other causes of tooth discoloration 5. Anyone who wants a whiter and brighter smile feature: Provides a non-slip grip so the strip will stay in place until you remove it You can talk and even drink water while whitening your teeth Strips mold to the shape of your teeth Tape comes off cleanly and easily Steps to easily create a beautiful, white smile: 1. Peel off the white strips from the backing 2. Apply firmly to tooth surface 3. Show a whiter smile Package includes: 1 x Advanced Whitening Strips how to use Step 1: Peel the Strips Open the foil packaging and carefully remove the whitening strips. Peel the strips from the backing. Each foil pack contains two whitening strips, one for your previous set of teeth and one for your next set of teeth. Step 2: Apply Tape Apply the gel side of the whitening strip to your teeth. Align the strip with the edge of your gums and apply gentle pressure to help shape the strip into the shape of your teeth. Fold the excess strip behind the teeth to help hold the strip in place. Step 3: Remove the strips Carefully remove each strip after 30 minutes, dispose of safely and brush teeth. 3 easy steps to a whiter smile