Black Glass Aroma Oil Burners ares wonderful accents to your home decor and produces pleasing home aroma. Oil Burners are complete with glass top for holding Aroma oil. Burners include FREE fragrance oil of your choice and one single tealight candle. Just send us a note in the comments section of the checkout, and let us know what fragrance oil you'd like for your Aroma Oil Burners. Choose your fragrance from our Aroma Oils drop down list.This is also a great gift idea since it comes complete with everything that is needed to start enjoying your favorite fragrance in the home. If needed, other fragrance oils can be purchased separately. The size of this Aroma Oil Burner is 4-1/2" high.To use - just add HOT water to the top glass, of the Aroma Oil Burners. Warm oil with tealight candle. the fragrance will then be released into the atmosphere for your enjoyment.