Crest 3DWhitestrips – Sensitive & Gentle This at-home whitening kit is designed for people with sensitive teeth. It uses an enamel-safe whitening ingredient and is accepted by the American Dental Association. The no-slip design helps the strips stay in place while you wear them. You apply the strips for 30 minutes a day, and the box includes 36 total strips — 18 for the top teeth and 18 for the bottom — enough for an 18-day treatment. Key Points: • Gently removes up to 15 years of stains • Made for teeth sensitive to whitening • ADA-accepted for safety and effectiveness • Enamel-safe whitening ingredient • No-slip design • 36 strips for an 18-day routine Crest 3D Whitestrips for sensitive teeth. Easy peel and apply. Gentle whitening experience.