JAM Paper® Dark Red A8 Invitation Envelopes measure 5 1/2 x 8 1/8 inches in size and feature a deep, elegant, dark wine red color. These straight flap envelopes feature moisture activated gum closures. Each one is made out of slightly textured, 28lb, acid free paper. Use them for greeting cards, Christmas Cards, weddings cards, invitations, and any other mailing need. They are sure to get the attention of any recipient and ensure that your mailed items arrive looking their best! These envelopes are sold in cartons containing a large total of 1000 envelopes! Use them for personal and business mailings.