HANDMADE AND HEAT-RESISTANT GLASS: Our tea candles are heat-resistant because liquid oil candle is made from Borosilicate glass. Each hand blown glass oil lamp is unique for you. Paraffin oil lamps for indoor use can be used safely when overturned. REUSABLE GLASS CANDLE HOLDER: We serve sustainability by producing reusable oil lamp candle with refillable lamp candle oil. Glassic’s candle and lamp oil does not smoke or soot. The average burning time of our 100 ML liquid paraffin candles is 50 hours. UNIQUE GIFT SET: Our glass paraffin oil candles are exquisite as wedding gifts for couples, housewarming, bridal shower, anniversary, Christmas and birthday gift set with its elegant box. This modern emergency candles long burning set is also stunning as centerpiece table decorations. VINTAGE DECOR: A glass lamp oil candle set is great for aesthetic room decor for those looking for cool candles. As seen as a reusable candle, our oil glass candle is excellent as a coffee table decor or fall decorations for home. REFILLABLE LIQUID CANDLE CARTRIDGES: Our glass refillable candles comes with 13.5 oz paraffin lamp oil with a color of your choice. We have 8 different oil colors: purple, blue, red, amber, rose, plum, clear color, and emerald green.