The iWhite Supreme Whitening Kit features unique new teeth whitening technology that instantly whitens teeth up to 8 shades and strengthens them. This professional at-home treatment is easy to carry and use. The iWhite disposable trays are thin and flexible to ensure a comfortable fit and maximum effectiveness. They contain a powerful new whitening gel with sodium bicarbonate and bleaching minerals, giving you a bright, white smile. Plus, this new formula is reinforced with calcium and xylitol, essential active ingredients proven in clinical studies to strengthen teeth. This home treatment requires just 20 minutes of use a day, with an instant whitening effect after the first application—up to 8 shades whiter teeth! Use for 5 consecutive days for even more amazing and optimal results. How to use: 1. Press: Gently press the molds so that the microbeads burst. 2. Activate: The active ingredients concentrated in the microbeads are released. 3. Result: iWhite Whitening Gel + Micropearls = MAGIC! Use for 20 minutes and see the results instantly!