This Bristol vellum paper is ideal for high contrast artwork, pen & ink and design projects. This pad features "In & Out" pages that allow you to remove sheets from the pad for drawing, reworking, scanning and more. Take out the pages you need and upon completion, simply return the sheets into the pad. Details:Bright white5.5" x 8.5" (14cm x 21.6cm)20 sheets100 lb. (270 gsm)Multi media surfaceDurable dual loop wire bound constructionAcid free