These A6 Clear Plastic Envelopes fit greeting cards, invitations, and much more. Clear Plastic Envelope bags can be used as a package for your cards or as a protective sleeve. Whichever way you use these plastic envelopes, they do the job!A6 Clear Plastic Envelopes measure 6 11/16" x 4 3/4" when sealed. These envelopes are made to fit cards up to 6 1/2" x 4 3/4". Each Clear Plastic Envelope features an adhesive to seal the envelope.