Features: 1. 5D Teeth Whitening Strips: Adopt innovative reactive oxygen teeth whitening technology. Effectively remove years of tough coffee, wine, and smoking-related teeth stains. Make your smile brighter instantly. 2. Intensive Dry Sticking Technology: Anhydrous self-adhesive film design, using polymer embedding technology, tightly covers each tooth. 3. Double-layer Wrapping Design: Wraps the inner and outer layers of the teeth to help release the whitening factor evenly, with a gentle formula, that does not irritate the teeth, and does not hurt the gums. 4. Quick & Easy Whitening: Just apply it to your teeth, wait for 30 minutes and then reveal. Consistent use of the kit will keep your teeth shiny white. 5. Package Included: 7 Pair x 5D Teeth Whitening Strips. You can use it when watching TV, reading a book, taking the subway, etc. Specification: Material: Non-woven Fabric Color: Blue Package Size: 12 x 7 x 2cm Package Weight: 28g Package Included: 7 Pair x 5D Teeth Whitening Strips