This classic French paper has a "vellum" texture on the top side and a flat surface on the reverse, both equally suitable for pastel, oil pastel, chalk, pencil, watercolor, and acrylic. It is a heavy, 98 lb (160 gsm) sheet, with a high rag content (66%) to ensure long life without deterioration. The entire range of are colored in the pulp to be highly light-resistant and acid-free.