Prima Marketing-Watercolor 140lb Cold Press Paper Pad. The perfect surface for any watercolorist These high quality artist grade cold press watercolor papers are great for all your watercolor needs Available in different sizes, these watercolor pads can be used with our watercolor pencils, aqua brushes, oil pastels, chalk edgers, color blooms and all of our art mediums. This pad contains twenty 2.5 x 4.25 inch cold press 140lb sheets. Acid and lignin free. Imported.