Strathmore 400 Series Watercolor Pad features intermediate grade watercolor paper that is famous with watercolorists of all levels because of the fine and even washes that can be achieved using this sheet. It has natural white color paper with traditional cold press surface making it perfect for mastering watercolor techniques. Book with two deckled edge sheet stock has a strong surface that allows for lifting and scraping applications. Book measuring 18 x 24 in. contains 12 sheets of 140 lbs. basis weight paper.