This 12 by 18 inch Artistico watercolor block by Fabriano includes 20 sheets of extra-white 140lb hot press paper that is mould-made of 100% cotton. Each sheet is double-sized, acid-free/pH neutral, chlorine-free and features the purest natural white available without artificial optical brighteners. Artistico paper is excellent for all water media, printmaking, digital printing, charcoal and drawing. Made in Italy.