This award-winning 100% cotton smooth fine art paper helps bring your vision to print through superb ink handling and sharpness. Entrada is an archival acid- and lignin-free paper with an expanded color gamut, natural contrast and high ink load. It is compatible with both dye and pigment inks ensuring that when used with archival inks, your prints will last for generations. -300 gsm / 22.5 mil -Brightness D65 103 -100% cotton / machinemade -Double Sided -Bright / Contains OBAs (surface) -Water-resistant -Pigment (recommended) / Dye Ink