BEST teeth whitening system on the market. Bright white provides convenient and effective tooth whitening results in just 3 days . You get a box of 14 packets of upper and lower non-slip strips. (28 strips 14 day supply ) The strips do not slip making it convenient and comfortable to use. They adhere to the teeth and can accommodate up to a hour . Once in place , they produce bubbles , which is the reaction of oxygen and the whitening takes place. This works safely to clean the teeth to pigments and stains. Not recommended for persons under 12 years or pregnant women. HOW TO USE Take the edge and pull the strip from the plastic, the face of the gel side to the surface of the teeth. Align the straight edge just below the gum line , gently press and adjust the strip with your finger to make sure it fully adheres to the teeth. Repeat for the lower row of teeth. Remove after 1 hour. After removing the strips, you may brush your teeth with water to remove any residue. Expiration date . 06 /2016 contain less than 0.1 % hydrogen peroxide ( H2O2)Only available from Fresh White Smile