Heavyweight paper and smooth texture perfect for all pen artist needs, including heavier ink pens such as the Prismacolor Illustration Markers. Available in many sizes and layouts for the diverse needs of our customers. ACID FREE Weight: 70 lb. (114 g/m2) Color: Natural white Surface: Smooth Media: Illustration markers, pens, graphite, and mechanical pencil Options Available: Double wire bound pads (available in landscape and portrait) and sheet packs Proudly made in the USA.