DARICE-Core'dinations Cardstock Pack. Sand it, tear it, or antique it... these are only a few ideas of what you can do with this wonderful paper. Each sheet has a canvas texture with a coordinating colorful core that can be revealed using any creative technique that removes outer layers. This package contains forty sheets of 6x6 inch cardstock (four each of ten colors). Available in a variety of color sets (each sold separately). Acid free. Imported.