Crest 3D White Whitestrips Dental Whitening Kit, 2 Hour Express
With Advanced Seal no slip technology. 12 month supply. 4 whitening treatments: each with 1 upper and 1 lower strip. Visible results in 2 hours. Noticeably whiter teeth in just 2 hours. Results that last 3 months. Single use treatment. Enamel safe. Same ingredient that dentist use. Advanced Seal technology for: easier application; stronger grip & form fit; cleaner removal.