First invented in France in 1827, a LITHOPHANE ("Vision In Stone") is a porcelain engraving that virtually comes alive when illuminated from behind. The image is created in a carved panel of different thicknesses of translucent, kiln-fired porcelain. A breathtakingly detailed picture in warm sepia tones emerge when lit. These illuminated artworks are so detailed they will amaze you for years. The flat lithophanes can be interchanged in all of our lamps to give you the flexibility for the changing seasons or decor. Our Night Lights are the perfect gift; reasonably priced & nicely gift boxed, including a history of the process and care literature. Our exclusive clip mounting allows our Night Lights to be plugged into any electrical outlet, including outlets that are upside down or if installed sideways. Night Lights are 3.5" wide by 4.5" tall.