CHROMA BLENDS watercolor paper - 15 sheets - 160 lb - 8” x 10”. Great paper to use with the mechanical watercolor pencils. CHROMA BLENDS mechanical watercolor pencils. These pencils can be used with water giving a “watercolor effect” without having to mix paints and water. Just draw your art and then with a waterbrush or a brush dipped in water blend and you have a watercolor piece of art that will make you proud!