JAM Paper® Burgundy A8 Invitation Envelopes measure 5 1/2 x 8 1/8 inches each and are made out of 28lb, slightly textured paper. This pack contains a total of 25 envelopes. Each one features a wide straight flap and a reliable gum closure. These booklet style envelopes are perfect for standard and slightly larger sized invitations and greeting cards, and are ideal for A8 sized cards. Use them to send out that upcoming batch of wedding invitations, gala invitations, party invitations, holiday cards, or any other type of mailing! The beautiful, elegant, burgundy color of these envelopes is certain to get them noticed and leave an fantastic impression.