I don't know, but my invitations had a ribbon around them and the postage was $.64 because it can't go through the sorting machine. If you aren't sure, take a sample one to the post office, they will tell you for sure and help you. Hoe exciting for you!!!!
__________________ “Petting, scratching, and cuddling a dog could be as soothing to the mind and heart as deep meditation and almost as good for the soul as prayer.” ― Dean Koontz |