Update: Alive again at $11.77.
14-Count Crest 3D White Strips with Advanced Seal Technology – Link 
This was selling for $29.97 earlier and has just dropped to a record low of just $14.97. Even better, clip the $5 coupon below the price for a final total of only $9.99!
- Whitens 25x better than a leading teeth whitening toothpaste*. *When toothpaste is used for 4 weeks
- Advanced seal technology’s no slip grip stays put so you can talk and drink water while whitening teeth
- The strip molds to the shape of your teeth and comes off cleanly