Lasal Exhibition Luster weighs in at a healthy 300gsm. Ideal for gallery and exhibition prints, the new fourth-generation coating ensures the highest possible d-max and color holdout. -300 gsm / 11 mil -CIE Whiteness D65/10 145 -Opacity > 86 -Resin Coated -Single Sided -Ultra White -Water-resistant -Pigment (recommended) / Dye Ink