Canson C a Grain pad is glued on short side, A4 size and includes 30 sheets of heavyweight 180gsm drawing paper. This heavyweight drawing paper is suitable for sketching and drawing with pencils, charcoal, pastel, graphite and ink. Also suitable for light wash with watercolour or acrylic. C a Grain offers a natural white colour and a lovely fine grain texture allowing both effects of relief and delicate details. This papers withstands repeated erasing and scraping with no damage occuring to the paper surface (no flaking). This papers complies with the ISO9706 standards: acid-free and without optical brighteners agents for limited aging and optimal longevity overtime.