Heidi Swapp-Minc Christmas Mini Gift Cards. Dress up your projects with these fun cards! Use with the Minc foil applicator and foil to give them a unique shine (sold separately). This package contains eight 3x3 inch paper gift cards. Card designs are in black print. 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.