Docrafts-Papermania Nature's Gallery Cards With Envelopes A6. The perfect additions to your papercrafts, mixed media projects, home decor and more! This package contains twelve 5-13/16x4-1/8 inch cards and twelve 6-1/4x4-3/8 inch envelopes with assorted designs. Nontoxic. Acid and lignin free. Imported.