Included: 1 piece of clear glass chimney candle holder with two sides open, carefully packaged, vase filler not included Size: open width 4.7" (120 mm), height 10" (250 mm), glass thickness about 1/8" Feature: open ended for pillar candles, bottomless cylindrical glass shield for open flame candles, easy to place over lit candles Quality: Hurricane candle holder are polysilicate glass that was heat up to over 1000 degrees to form and reform the glass to mold into the shape that we see today. So You are safe to use this item with real flame inside. As any other glass products, item is still susceptible to Thermal Shock. Thermal Shock is sudden change of temperture, whether from cold to hot or hot to cold.