These books are the highest quality drawing and sketch books that you can buy. Each contains 28 sheets of superlative all-purpose 80lb, neutral pH paper that will accept watercolor, ink, soft pastel, pencil, Conte Crayon, graphite, chalk, Aquastic and oil pastel. Meticulously fashioned with two heavy cardboard flip covers that give double support in a choice of three colors brown, blue grey or burgundy. Tie ribbons protect against loss or damage. They are amongst the most cherished journals for travel, plein air and studio use in the world. Unconditionally guaranteed to meet with your complete satisfaction.