Ceramic Oil Burner, H:10 cm Dish: 9 cmHow to use an oil burner: Fill the bowl on top with water and place a few drops of essential or fragrance oils in the water. If you're using simmering granules, place 2-3 teaspoons in the bowl of the oil burner. Place a lighted tea light underneath the bowl and let the aroma fill your home.WARNING. If the water evaporates, never pour in cold water. This may result in cracking. Blow the candle out, allow to cool then refill and relight.Please select the colour you require.