Museum-quality posters made on thick, durable, matte paper. A statement in any room. These puppies are printed on archival, acid-free paper. - Printer Using Epson UltraChrome water based HDR ink-jet technology Basis Weight: 192 gsm Media Thickness: 10.3 mil (0.26 mm) ISO Brightness: 104% Opacity: 94% -Luster Paper Epson Ultra Premium Luster Photo Paper Between a gloss and matte finish Highly saturated, maximum ink coverage Fingerprint resistant Perfect for framing