Here is another example of a gift card holder. This is my old stand by. I learned how to make these oh probably the first year I started stamping but they are still one of the best!
this is so easy peasy..... you take a A1 sized envelope and fold it in half. you can either close up the flap or leave it open. I chose to cover mine on all sides anyway so the flap didn't matter.
Place a ribbon around the outside of the folded envelope making sure its long enough to tie a bow and add decorative paper over it. On the inside I used the label punch making it alittle longer to hold the gift card. That's it!!