24 KARAT BLAU T,Metal, gold leaf sealed in plastic. 230/125 volts. 230 volts: 60 watts halogen. 125 volts: 60 watts. Socket E27. The four golden shades can be hung in various angles and positions. Complete with bulb. The shades for 24 Karat Blau are made individually by hand. Hairline flaws and minor irregularities in the gold surface do not indicate poor quality; they are a natural result of the production process and cannot be eliminated. The gold leaf on the shades is beaten to a thickness of 1/10.000 mm, corresponding to 1.000 atomic layers. This allows short-wave blue light to pass through the molecules, whereas yellow-gold light is reflected.The inner surface of the lamp appears gold when lit; the outer surface is blue.