Single Panel Card – A simple, unfolded one-sided card. This is a simpler and more economical invitation style.
Overlay Invitation – An invitation, usually a single panel card, that has an overlay of vellum. The invitation text can either be printed directly on the vellum then attached to the card or the text can be printed on the card and the vellum is laid over the top.
Bi-Fold Invitation – An invitation with two folds. Similar to a greeting card, it can either be printed in the outside alone or have a pre-stamped verse on the front and your personalized text on the inside.