20 Pack Of Crest 3D White Luxe Whitestrips Professional For $27.99 From Amazon Clip the $7 coupon. This is the lowest price for this product in 5 years from Amazon. -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 Want to continue reading this post? Click here!