LASTS 12 MONTHS & BEYOND;Use once a day for 30 minutes;Removes 14 years of teeth stains for a whiter smile;Delivers professional-level teeth whitening results;Advanced Seal Technology's no slip grip stays put so you can talk and drink water while whitening teeth

• Crest 3D White Whitestrips Professional Effects, 20 Treatments
• 20 Treatments

Crest 3D White Whitestrips Professional Effects, 20 TreatmentsCrest