The photoluminescence mosaic NIGHTGLASS from Alttoglass is a coating made in a mix of basis glass with a phosphorescent pigment in a synthesizing process.The photoluminescence materials have the capacity to absorb the ambient light , both natural or unnatural, keeping this light energy while receiving the light and when it turns down they will show this energy in a long luminescence way. Our materials get a high intensity at the beginning.The photoluminescence attributes are plenty assimilated in the ceramic tiles products increasing for this its durability and resistance in a significant way.