POWERED BY DEEP UV-C - Effectively eliminates 99.9996% of mold, bacteria and viruses from water, with nothing but UV light exposure. Cap doubles as a sanitizer travel wand - simply wave over any surface to sterilize. UV-C IS STERILIZATION OF THE FUTURE- CrazyCap's powerful, in cap, UV-C light rays are the same wavelength as the UV used to sanity operating rooms and water treatment plants. REPLACES 500,000 WATER BOTTLES - Reduces plastic waste and needless spend of bottled water. Premium bottle made of vacuum insulated stainless steel keeps water cold for 24 hrs / hot for 12.