Looking for an at-home teeth whitening treatment designed for sensitive teeth? Choose Crest 3DWhitestrips Sensitive White from the 1 dentist-recommended at-home teeth whitening brand. You can get a brighter, whiter smile in just 13 days with Crest 3DWhitestrips Sensitive White 30-minute teeth whitening treatment. It's specially formulated for sensitive teeth and has been accepted by the American Dental Association. Using the same enamel safe whitening ingredient as dentists, you can get 100% noticeably whiter teeth, guaranteed. Plus, a comfortable no-slip grip helps the whitening strips stay put, so you can talk and drink water while whitening your teeth. Simply apply for 30 minutes a day for 13 days. This pack includes 26 teeth whitening strips, 13 for your top teeth and 13 for your bottom teeth, to be used over the course of 13 days. Suggested Use: Instructions: It is best if you do not brush your teeth immediately before applying strips. Use once a day for 30 minutes. For full results use entire kit. Use up to two kits per year. 1. Peel Whitestrips from backing liner. 2. Apply. Using a mirror, apply gel side of strip to front teeth. Align straight edge of strip with gumline. Fold over teeth and press to secure. 3. Smile. Peel from back of teeth first to ease removal. UPC: 889714001790 Weight: 0.63 lbs RKU: WAL379868605