Our SENSO® Hydro-Pure 17 oz Vacuum Insulated Bottle uses UV-C light technology in the cap to clean and kill most germs. With a rechargeable battery and two cleaning modes, Hydro-Pure is always on hand to provide you safer drinking water. Plus, our sturdy 18/8 stainless steel and double-wall insulated construction means your beverages stay hot for up to 12 hours and cold up to 24 hours. BPA Free & FDA certified.