UVBrite UV-C  Water Purifying, Self Cleaning Insulated Water Bottle. 18.6 Oz. Outfitted with a UV-C Cap, UVBrite’s Water Bottle reduces microbes by up to 99.99%! UV-C disinfection works by breaking down certain chemical bonds and scrambling the structure of DNA, RNA, and proteins to effectively destroy all microorganisms.  UVBrite is equipped with a safety lock to prevent accidental exposure to UV-C light. Unlike other UV Water-Purifying Bottles on the market, this UV-C light cannot be activated once the cap is removed. Rechargeable with USB-C charging cable (included).