heavyweight white blank cards with white envelopes 5"x 7" greeting cards blank cards and envelopes printable note cards with corresponding envelopes (40 pack) purple q crafts purple q crafts blank white cards and envelopes are a necessity for your office or home supplies closet. their clean matte design can be easily customized to be used as thank you cards, christmas cards, office stationary, or farewell notes. decorate them with markers, stickers, and stamps and create a beautiful invitation for your next occasion.