Deep black paper and acid-free, ideal for almost any situations to create contrasts. Canson XL Black paper adapts well to heavy work, and being double sided, it is also suitable for sketching and drawing. The smooth side is ideal for felt and marker pens whilst the lightly grained side is good for pencil and pastels. Quality/Recommended: Recommended for art students. Weight: 150gsm Acid free: Yes Made from: 100% cellulose. Colour: Black Ideal for: Ideal for pencil, pastel, felt and marker pen. Texture: Smooth / Fine Grain Brand: Canson Format (cm): 21 x 29.7 cm (A4), 29.7 x 42 cm (A3) Format (inches): 8.2 x 11.6 inches (approx.), 11.6 x 16.5 inches (approx.) Sizing: Internally sized. Mould made: Made using a Fourdrinier Machine. A technique from the 19th century, allowing constant quality of the paper.