Crest 3D White Strips Dental Whitening Kit 1 Hour Express 20 Strips

Removes years of stains in just one hour with a comfortable, no-slip whitening experience. It is enamel-safe. It will make your smile 12 levels whiter in just 10 days. Plus, the Advanced Seal Technology’s comfortable, no-slip grip stays put, so you can talk and drink water and chat with friends even while whitening your teeth. Use it for 60 minutes a day for 10 days. This pack includes 20 teeth whitening strips, 10 for your top teeth and 10 for your bottom teeth, to be used over 10 days.