The Brustro bristol paper features sheets of 250 gsm,paper is produced utilising hydroelectric power thus reducing greenhouse gas emissions into the atmosphere. Being an ultra-smooth surface is resistant to repeated erasure and scraping. Ideal for solvent based markers, felt tip pen, watercolour, ink, airbrush, pencil andamp, charcoal. Perfect for illustration, design and manga. The bright white coloring makes for excellent contrast. Perfect for artistsandapos, andamp, amatures. The absence of acid guarantees its inalterability over time. Made in italy. Available in 3 sizes. Brustro is a registered trademark of creative hands art materials pvt. Ltd.