Crest 3D White Whitestrips sells on Amazon. I think the price is very good. Please read some of the reviews and see what people thought of the product. Do check how you might qualify for a free shipping offer if available.
- Lasts 6 Months & Beyond
- Use once a day for 30 minutes
- Removes 10 years of tough set-in stains from coffee, wine and smoking.
- Advanced Seal Technology’s no slip grip stays put so you can talk and drink water while whitening teeth