Your bottle can be 34,568 times dirtier than a toilet seat. And most of these germs are harmful over time and can cause serious health issues. Here’s the bottom line: these hidden bacterias, germs, and viruses can make you have diarrhea, fever, sore throat, and many other problems. KLEAR is a universal, self-cleaning cap that uses UV-C light to kill 99.9999% of bacteria, germs, and viruses that are growing in your bottle in less than 3 minutes keeping your bottle clean and stank-free. It comes with a 32oz double-walled water bottle which keeps your drink cold for up to 24 hours. This dynamic duo gives you fresh, clean, and crisp water every time.