Easy to extinguish the candle by putting on the lid; that keeps the scent inside too. Keeping the lid on when the candle is unlit preserves the scent longer. When the candle has burnt itself out the glass cup can be used as a tealight holder. http://www.ikea.com/th/en/images/products/timglas-scented-candle-in-glass-pink__0151133_PE309184_S4.JPGTIMGLAS Scented candle in glass, pinkhttp://www.ikea.com/th/en/catalog/products/10219833/102.198.33199 THB