Tá inphriontáilte den scoth ag an táirge seo, dathanna geala thar cuimse, agus éifeachtaí amhairc den scoth, rud a fhágann go bhfuil na lipéid an -fheiceálach. It is a type of paper that, when exposed to sunlight, reflects colored light and converts ultraviolet light into visible light, which is then reflected off. Mar thoradh air sin, tá dath níos gile air ná gnáth -ghreamáin.
