Scientifically formulated to reduce plaque and harmful bacteria, the easy to use and multifunctional whitening kit includes 28 whitening strips (14 upper and 14 lower) and a whitening pen for a complete whitening routine. The transparent and flexible strips are coated with tooth whitening gel and are to be used twice daily for 30 minutes, for 14 consecutive days. To prolong the whitening effect delivered by the strips, use the whitening pen for touch-ups and whilst on the go. This ultimate whitening duo contains safe levels of Hydrogen Peroxide, leaving you with a white and brighter smile, at all times!