The Conte a Paris Sketching crayons include various highly reputed Sanguine colors, Grey and Bistre, 3 grades of white and black complete the range. These crayons are very soft to apply and manufactured using natural pigments (iron oxides, carbon black, titanium dioxide), clay (kaolin) and a binder (cellulose ether). This set contains 12 Black B crayons in a great plastic storage box.