. For the most versatile invitations, cards, thank you notes, greeting and correspondences JAM Paper® Blank Fold over Cards will surely fit the bill! These cards are made of reliable cardstock and look and feel rich and luxe when they are in hand. These particular cards are a crisp, white color, so they are truly customizable, from how you choose to decorate or not decorate them. They also feature an embossed panel border on the front. The message on the inside will be your own, instead of some cheesy, generic joke or saying.