... -coated,microporous,water resistant,high quality. 190gsm one-side Luster Photo paper Luster Photo Paper is a photographic quality micro porous coating ... the same printing quality. Features·Deep-grained, thick,imitating the luster paper in photograph industry·Very suitable for pigment based inks ... :15-30°C;Humidity: 40-60% RH 190gsm one-side Luster Photo paper