In spite of its small size, the large top bowl can hold enough water for full aromatherapy and beyond. You can completely immerse yourself in a serene and relaxing ambiance. The deep bowl means longer burning time. Thus, save your trouble of adding water frequently! Comes with Candle Spoon for easy place in and out put, no more worry of your finger being hurt by the fire. The oil burner blends in with most blends décor. We have 1 set or 2 sets for the different colors(black and white). You can set them up in different rooms of house.