Crest 3D Whitestrips Professional Whitening Kit (60 Treatments)

Whitening kit - dental - professional effects. 20 Pouches. Each with 1 upper and 1 lower strip (40 total strips). With AdvancedSeal no slip technology. Enamel safe. Professional level whitening. Start seeing results after just 3 days. Once a day. Includes 20 whitening treatments. Whitening Level: 3. Enamel safe. Same effective whitening ingredient dentists use. Advanced seal technology for easier application, stronger grip and form fit, and cleaner removal. New improved lower strip for whitening coverage. The highest level of whitening from Crest at retail.