This 13cm by 18cm Artistico watercolour block by Fabriano includes 25 sheets of extra-white 60kg cold 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.