Satin and Archival Matte PostersBring your artwork to life in high end detail and treat your customers to quality poster prints they'll love. Available in 210gsm paper (satin) and 230gsm (archival matte), these prints will look stunning up close for a long time. To help you find the perfect fit for your art, these posters come in 18 sizes, as well as with horizontal, vertical, and square framing options. .: Materials: 210 gsm paper (satin), 230 gsm paper (archival matte) .: Two