Teeth Whitening Strips Kit - EU approved Dual Boost X3 Gel with 0,1% Hydrogen Peroxide, 5 pouches with 2 strips in each (10 in total) for 5 days of treatment. Multilingual maual included. Built in hanger. Dual Boost X3 + 0,1% hydrogen peroxide formula to clean/whitens teeth. Fast and easy. Any where - Any time. Sensitive and pain free results.