Cardboard cereal or cookie box
Average Time: 5 minutes
Fold it over and glue one side of the box to the tab you cut. Alternatively, you could sew it. I sewed it.
Now would be a good time to attach your label if you have one.
Fold in the ends
Looks good so far
I cut some of the inner flap to make it easier to open.
Voila! You are done.