This deal has ended.
These 20ct Crest 3D White Professional Effects Whitestrips drops from $54.99 to $38.99 with free shipping at Drugstore.com. Plus, "clip" the $7 coupon on the product page to drop the price further to $31.99. Next, send off this $10 Mail-in Rebate for a net price of $21.99 shipped. The best price we could find for this quantity anywhere else is $29. Sales tax is charged in most states.