This "For I know the plans I have for you declares the Lord. Plans to prosper you and not to harm you plans to give you hope and a future Jeremiah 29:11" candle jar warmer holds most standard size 22 oz. jar candles. This warmer doubles the life of your candle. Burns clean and evenly. The protective ceramic wall helps prevent spills and eliminates knocking jar candles over. No flame or soot to clean up. On/off switch on the cord.