I made these quick 3"x3" cards with envelopes and holders from this great little design I saw on Mel Stampz blog. I won't repeat the instructions, because they are fully described on Mel Stampz blog, as well as a pocket book variation.
I did not cut out the envelopes or the box with scissors. I used the templates found on Mel Stampz's blog and converted them to Klic'n'Kut templates. Download links at the bottom of this post. Note: The red lines are folds, so use the cut by color setting. Emboss the red, cut the black.
I then used the Sophisticated Momma kit from RA Studios at Divine Digital for the letters, box and Thanks mat. A hint about cutting the letters: It helps if you stroke the letters with a 15px black line in your image software.
The stamps I used were from Hero arts and Club Stamp. Have fun!
Box Klic'n'Kut template
Envelope Klic'n'Kut Template