UV-C: PURIFICATION OF THE FUTURE | LYT’s powerful ultraviolet light is your family’s new favorite tech! Built right into the cap, our hard-working rays are on the same germ-killing wavelength as the UV used to sanitize operating rooms, water treatment plants, and other serious stuff. The best part? It’s 100% CHEMICAL-FREE.MAGICAL SELF-CLEANING BOTTLE | Sip back and relax! LYT bottle stops bacteria and germs from breeding inside your water bottle. Every four hours, UV rays in the cap automatically activate, keeping your water 99.9% fresh and clean—and the bottle free from yucky mold, mildew, microbes, odors, and everyday funk.PURE REFRESHMENT AT THE PRESS OF A BUTTON | So easy, even the kids can do it! With just a few taps of the finger, you can enjoy pristine drinking water whether you’re at home, camping, on the sports field, or in the parent pick-up line.SUPER INSULATED STAINLESS STEEL | Durably crafted of BPA-free 304 stainless steel with double-walled vacuum insulation, the LYT flask is virtually indestructible. It stands up to the occasional drop, won’t leak, maintains hot beverages for 12 hours, and keeps drinks icy cold for up to 24 hours without breaking a sweat.HAPPY ECO-FRIENDLY HYDRATION | The best alternative to boiled water, wasted soap, and expensive water tablets. LYT bottle helps keep your crew healthy while replacing 500,000+ single-use plastic bottles! Reduce waste, save a ton of money, and enjoy our 100% SATISFACTION GUARANTEE backed by one-year limited warranty.