A2 envelopes (5.75" X 4.375") are great for sending out flat 4.25" X 5.5" note cards
or folded 8.5" X 5.5" cards or invitations
. It is a perfect envelope for your "Thank You" cards or note cards, great for any social, business event, note or invitation. Personalized with your logo and return address, your note card will make an impression even before it is opened!