American Crafts 5-1/4-Inch by 7-1/4-Inch 12-Pack Envelopes, Black AC cardstock paper envelopes are pre-cut, folded and ready for use Package includes 12 black envelopes Envelopes made from paper Pair envelopes with AC cardstock cards for the perfect card set Envelopes measure 5-1/4-inch by 7-1/4-inch