Luster is a premium-quality, high-resolution, bright white photo-grade paper designed for the highest-quality color images on both dye and pigment inkjet printers. Luster's microporous, ultra-absorbent resin coating allows pigmented inks to dry instantly, preventing puddling and black (shadows) from highlighting or laying on top of the paper's surface. - Inkpress - Luster Duo Pack, 8-1/2" x 11", Pkg of 20Inkpress Luster Duo, 8.5INX11IN 20/SHT - Same premium quality coating on both sides of the sheet for front and back printing.