Rapid White teeth whitening, Express Bleaching Strips, whitening strips that show results in 5 minutes. Whitening strips that show results in 3 days. Easily whiten your teeth at home with simple instructions. The transparent, mint-flavored strips whiten teeth and remove stains as soon as they touch your teeth. The box and container are all written in German, so please check the following YouTube video for details (the language is German, but you can understand how to use it). https://youtu.be/CyzlHwgAdes?si=0IS49Q3fUHi3S6-r Purchased directly in Germany last month. Thank you for viewing.