Think your whitening toothpaste is giving you the whitest smile you can get? Think again. With Crest 3D White Whitestrips Glamorous White, you'll whiten your smile 25x better than a leading whitening toothpaste.* Their no-slip grip means the strips stay put until you take them off, allowing you to talk and even drink water while whitening your teeth. Using them just once a day for 30 minutes elevates your whiter smile to the next level. Additionally, in just 1 hour once a month, Crest 3D White Whitestrips Monthly Whitening Boost will keep your smile brilliantly white. These strips provide the boost you need to keep your smile white all year long.