(A teeth whitening tray must be customized by the dentist) and is not available with the product White Smile home teeth whitening kit Contents 4 needles (3.0 ml) 35% whitening gel An empty box to protect the ready-made molds manufactured in the clinic A card to compare the color of teeth before and after bleaching Flash home whitening gel with different concentrations to provide multiple options for perfect whiteness It contains teeth whitener with carbamide peroxide to give you a bright white smile Comes in different concentrations 10% - 16% - 20% - 35% 4 whitening gel needles, enough for 2-4 uses 1 needle of allergy-protective gel used after bleaching for 20 minutes How to use: (A teeth whitening tray must be customized by the dentist) and is not available with the product 1- Brush your teeth well before use. Place one continuous drop of gel approximately in the middle of the front side of the tray. 2- Wipe off the excess gel from the gums 3- Duration of use 30 minutes twice daily 4- Then remove the tray and brush your teeth with a soft toothbrush to clean any excess gel from your teeth 5- Rinse your mouth and make sure not to swallow the gel 6- Clean the mold with a soft brush and cold water