This kit keeps your smile up to 99% as white as a professional polish with daily use and the two-step system comes with a deep cleansing toothpaste and a whitening finisher. The price drops from $29.98 to $12.92 when you add 2 items to the cart and checkout via Subscribe & Save and a $7 off multibuy discount. Shipping is free for prime members or nonmembers get free shipping over $25.