Prima watercolor pads are the perfect surface for any watercolorist. Available in different sizes, these watercolor pads can be used with our watercolor pencils, aqua brushes, oil pastels, chalk edgers, colorful blooms and all of our art mediums. Cold press 140lbs.Prima watercolor pads are the perfect surface for any watercolorist. Available in different sizes, these watercolor pads can be used with our watercolor pencils, aqua brushes, oil pastels, chalk edgers, colorful blooms and all of our art mediums. Cold press 140lbs.