AMERICAN CRAFTS-Cards & Envelopes A2 Vanilla. Pre-cut and scored AC cardstock is the perfect foundation for creating heartfelt, handmade cards. With a solid-color core, AC cardstock is heavyweight, premium cardstock that lets you get creative. Archival safe. This package contains twelve 4x5-1/2 inch cards and envelopes. Available in a variety of colors, each sold separately. Imported.