A water purifier is provided. The water purifier includes a material having an inner surface and an outer surface. At least one thermoelectric generator tile is attached to the material. The at least one thermoelectric generator tile includes a cool side facing towards the inner surface and a heat side facing away from the inner surface. At least one Ultraviolet (UV) C light source is electrically connected to the at least one thermoelectric generator tile. Water may cool the cool side of the thermoelectric generator tile while body heat may warm the heat side of the thermoelectric generator tile, thereby generating electricity which in turn powers the UV C light source. The UV C light source emits UV C light which kills microorganisms within the water.
