Christian Bronze table Oil Lamp with an engraved cross on the top Gold Color Hand-made oil lamp Height: 20cm / 8.27in The glass is included There are two basic types of vigil lamps: hanging and standing. Usually, vigil lamps are lit using oil, usually olive oil, as the fuel feeds a floating wick. The vessel holding the oil is a cup usually made of heat-treated glass. BE CAREFUL to fill the glass at least with 50% water, otherwise, it will heat up and eventually brake