Paper Accents Card & Cardstock Envelopes are a fun way to create wonderful, personalized cards and matching envelopes. Use stamps, stickers, ribbon, buttons, eyelets, markers, paint and more to decorate. They are acid free, lignin free, buffered, and archival quality. Package includes 8 - 4 1/4 x 5 1/2 inch cards and 8 flat flap envelopes. Blue.