specification: The set contains: a box, there are 14 pieces, a total of 7 pairs (one piece for each of the upper and lower teeth)_x000D_Size: 5*7*2 cm Features: 11. Anti-slip tooth strip: It not only can cover all teeth, but also can be easily connected and torn off. The non-slip handle with advanced sealing technology stays still, so you can talk while whitening your teeth. You can have whiter and brighter teeth without expensive teeth whitening procedures. 22. Fast whitening effect: 14 whitening stickers, 7 times whitening teeth. With the help of these tooth whitening strips, a 30-minute flash can show a strong white smile. 33. Suitable for sensitive teeth: A whitening strip with a reduced sensitivity formula, suitable for sensitive teeth and will not irritate your mouth! It is strong enough to remove stubborn stains that have been stubborn for many years, and it is also gentle enough for sensitive teeth. 44. Safe ingredients: These whitening strips are non-irritating to teeth. Enamel-safe tooth strips can effectively remove internal and external stains and give your face a new smile! 55. Effective teeth whitening kit: The teeth whitening kit included 14 whitening strips. Use 2 strips a day, up and down the teeth for 30 minutes, after a few days, you will have brighter and whiter teeth. PackageList: 1 Box*Teeth Whitening Strip