A safer real flame alternative to paraffin wax candles, this Light Me lamp burns bio oil. With a black base & a tinted black glass votive, this bio oil candle produces one thousand times less soot than paraffin wax candles, so there's no black residue, & it self extinguishes if it's knocked over. Perfect for enjoying soft, flickering candlelight, this minimalist style candle has a whopping 35-40 hour burn time for atmospheric candle light night after night. Light Me bio oil candle holder Glass votive Measures: 14cm (H) x 7cm (diameter) Clean burn Extinguish when knocked over No mess from spills 35-40 hour burn time