Instant Teeth Whitening: Our innovative reactive oxygen teeth whitening strips effectively and quickly remove tough old teeth stains of coffee, wine and smoking related stains. Makes your teeth instantly brighter and shinier within 30 Days. Non-Slip technology: Advanced Teeth Whitening Strips have Non-slip technology and it grips your teeth firmly and adhere to your teeth. Teeth Whitening Kit Strips allow you to do exercise, talk and even drink water while whitening your teeth. Instant Results at Your Home: Just apply White teeth strips to your teeth, wait for 30 minutes and then remove. Whiter teeth can be seen in just one use. However, it is recommended to use at least 14 days to get better results. Convenient & Pleasant: Teeth Whitener Comes with mild and pleasant , the ultra-thin and soft strips fit your teeth nicely and allows you to use it while watching TV or taking the subway it makes it very convenient to use anytime. Note: 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. Sold by-YJL official store