American Crafts-Heidi Swapp Mixed Media Cards With Vellum Envelopes Kit. The perfect start to making your own cards and envelopes! Use with the Minc foil applicator and foil to give them a unique shine (sold separately). This 8x9-3/4 inch package contains twelve assorted cards and twelve vellum envelopes. WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm- do not mouth or chew. Imported.