Canson Infinity Photo Lustre Premium Photographic Paper for Black and White, and Color Reproductions, 310 Grams, 8.5 x 11 Inch, 25 Sheets Premium, resin coated, alpha cellulose, acid free paper Coated with a Structured polyethylene and micro-porous receiver layer The finish gives a stunning luster effect 25 sheets of 8.5 x 11 inch Acid free 310 grams paper