BAMBUSA Natural bamboo wood & ceramic Design-Handcrafted wooden design, More water can be poured into the bowl and can be used much longer time about 6 hours. Multi-Functions-Can be used as a diffuser, burner, or Great Decoration for Living Room, Balcony, Patio, Porch & Garden. Easy To Use-Poured about 2/3 water into the bowl and then 5 - 8 drops of the oil into the bowl, Put the candle into the candle holder and light the candle below. The tea light warms up the essential oils in stone saucer to diffuse aromas and fragrance. SIZE Dimension:4.7" x 4.7" x 3.5" (12 cm x 12 cm x 9 cm), essential oil and candle are not included. Using tea candle usually burn out in 2.5 hours. Oil/water mixture may run out in 4-6 hours. After the water was burned out, the bowl will be very hot, you should not pour water into the bowl at this time, or the bowl will be broken. you can do this after the bowl is cool.