Fluid Watercolor Paper is an acid-free, 140lb paper perfect for watercolors, colored pencils, pastels, acrylic washes, and more. The paper is made by milling small batches of alpha-cellulose very slowly. Each Fluid sheet is crafted in a European mill. 140lb Cold Press 20 sheets per pad Made with high-quality alpha cellulose Perfect for watercolor and mixed media Available in the following sizes: 6" x 6", 8" x 8", 9" x 12", 11" x 15", 12" x 18"