Teeth whitening kit: use it once a day for 14 days to get the final effect. Each package contains 28 whitening strips 14 applications. 1 Hour: The longer the whitening strip is attached to the teeth, the better the whitening agents work on the teeth. Use it for 1 hour a day to heal your teeth. You don't have to spend extra money to go to the hospital, and you can see the same effect at home. Safe whitening: With the mild and pleasant scent of coconut oil, the whitening ingredients in the whitening strip can actively whiten teeth without harming teeth. Firm Adhesion: Advanced anti-slip technology ensures that the dental strip will not fall off the tooth and can be used anytime, anywhere. Using dental strips will not interfere with speaking or drinking, so you can enjoy whitening more comfortably. Bleaching strips: Advanced formula helps remove tobacco, smoking, coffee, soda, food, wine and other yellow stains.