80lb. RR, Luster, Card, Duo, 75lb’s cousin. Arctic polar shine, if you need glossy duplex paper, your choice. Gorgeous pearlescent gloss ends with bold colors, dark black and detailed detail. With its extra weight and thickness, you are assured that you are shooting exquisite photography. RR Luster Card Duo has a dark gloss, providing a perfect balance between dark saturation and minimizing gloss reflectance.