Using safe and effective ingredients, this teeth whitening strips is non-irritating to use and it is a good oral care supply. This teeth whitening strips can remove set-in stains, decompose pigments quickly and brighten your teeth. It is constructed of non-woven fabric material. This teeth whitening strips features elastic stretch and non-slip fit, which is comfortable to use. The length of this product is 9cm and width is 4cm. This teeth whitening strips is suitable for men and women. Item Name: Dental Stickers Material: Non-woven Fabric Shelf Life: 3 Years Features: Effective, Deep Cleaning, Remove Stains Size Details: L: 9cm/3.54", W: 4cm/1.57"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. How to Use: 1, Tear open packet to reveal the strips. 2, After brushing the teeth, put the product on the teeth and stick it up and down along the teeth. Keep strips on the teeth for 30mins. Avoid eating or drinking. 3, Remove the strips and rinse the teeth with water. 4, Reveal your brighter smile. Package Includes: 1 Box of Dental Stickers(7Pcs)