Oil Lamps are produced of luminous colored glass, that sparkles in the sunlight as well as when lit. Great to have on hand in power outages as these hurricane oil lamps are easily lit, providing illumination where needed. Light is readily adjusted by simply raising or lowering the wick. Flame is protected with in the included glass lamp chimney. The atmosphere provided on a dark evening, by these vintage oil lamps, is both fascinating and thought provoking.