Package Contents: * 3pcs glass oil lamp * 3 pieces of wick * 13.5 oz of oil Usage Glass oil candles are sent empty inside. It comes with 3 wicks and 1 bottle of oil as a gift. You can pour the oil into the glass oil candle by holding the flip cover directly into the oil candle. It is enough to fill 3/4 of the glass oil candle. After reaching this level, you can close the lid and store the oil. Please avoid liquids such as cheap oil candle oils, kerosene, alcohol and gasoline. They are not safe. After filling your oil candle, place the wicks sent inside the oil candles. The wicks are sent ready-made, you only need to place the appropriate size wick into the appropriate candle. The top of the string in the glass tube should be even with the rod. It should not be too far in or too far out. If it gets inside, you can pull the string with a pair of tweezers. Wait approximately 5 minutes for the cotton wick to absorb the oil. Your oil candle is ready to use. Wick Wicks are adjusted according to the size of the candles. Wicks do not need to be changed frequently and can be used for a long time. As the wick absorbs the oil in the glass tube, only the oil on the wick burns, making it durable for a long time. Wicks are sent ready-made, and all you need to do is to place the appropriate size wick in the appropriate candle. As the oil runs out before the wick, it is necessary to refill the oil. When refilling, care should be taken to use the same brand of oil. Otherwise, the wicks will not be able to absorb the oil efficiently. The top of the string inside the glass tube should be level with the stick. It should not be too inside or too outside. If it goes inside, you can pull the string out with a pair of tweezers. Candle Oil Our specially formulated pure liquid paraffin oils produce almost no smoke or odor for optimal performance. It can be used safely and cleanly. You can pour the oil directly into the glass candle by holding the cap towards the inside of the candle. Once it reaches the sufficient level, you can close the oil cap and store it. We kindly ask you to avoid cheap candle oils, gas oils, alcohol, and gasoline-like liquids. They are not safe. If you have any problems with the use of your candles, you can consult us. Cleaning Glass Candle Holders You can wipe the outside of the Glass Candle Holders with glass cleaner and remove any dust. For the inside cleaning, You can pour a small amount of dishwashing soap into the glass candle holder and fill it with water up to the top. After waiting for a while, you can rinse it with clean water.