These clear drip protectors enable the flame of the vigil candle to be seen burning brightly. Functions as a draft and drip protector. Designed to be used with UM1950 vigil candles which can be accessed from the shopping cart under candes-candlelight service. Candles used with this item must be more than 1/2" diameter. We recommend 17/32" or 5/8" diameter candles.