1.Teeth Whitening - Our teeth whitening pen helps reduce stains and yellowing, including those caused by coffee, tea, wine, soda and more. The mint flavoured teeth whitening liquid keeps your mouth fresh, offering a simple and practical solution to use at home for a brighter smile. 2.Easy to use: The dental whitening liquid pens only need 30 seconds of use every day, Gently clean, help you show off a bright smile, white teeth, make your smile more charming, quickly whiten teeth in 7 days. 3.FOR DAILY USE - Designed for regular use, this gentle formula teeth whitening pen helps improve the appearance of teeth and reduce stains. Mint liquid keeps your mouth clean and fresh, giving you a naturally brighter smile. 4.Portability: The design of the teeth whitening pen makes it easy to reach and use. Provides a portable liquid to whiten teeth, allowing you to use it at any time and anywhere to meet your teeth whitening needs. 5.Versatility: They are fast, simple and convenient to use, making them great to share with friends and family. In addition, they are gifts for birthdays, holidays and anniversaries