Firefly Refillable Liquid Bliss Petite Oil Lamp Candle HAND BLOWN: Clear Borosilicate Glass Round Oil Lamp. This Bliss Petite Glass Candle is Clear. The Light Green Color is Simply a Reflection of the Glass from Under the Oil Candle. The Bottom of the Round Candle is Flat. This Oil Lamp is for Indoor or Outdoor Use WIDTH: Diameter at Largest Point: A little less than 3 inches HEIGHT: Height to the tip of the wick is approximately 3-1/4 inches. The Bliss uses a Firefly 2.6mm cotton wick. Replacements are available on Amazon. BURN TIME: Approx. 16 Hours or Longer. It really varies by the fuel you use and the height of the wick. FUEL CAPACITY: Holds Approximately 2-3/4 Ounces of Lamp Oil. The Lamp Oil is NOT included but is sold on Amazon. Just Search for Firefly Lamp Oil.