It holds two mini snack candy bars (mine are supermarket brand,but are similar to Mars and Snickers). You can put in smaller things like those Celebrations bonbons or sweets or whatever you fancy of course.
For the bag you need a piece of (solid) paper measuring 4"x8"and you can get 4 out of one sheet of 12x12"if you cut it at 8"first.
You need to score on the long side at: 3", 3"3/4,6"3/4 and7"1/2
on the short side at 3/4 of an inch.
For the wrapper you need a piece of patterned paper measuring 2"x9"
you score on the long side at: 3:3/8, 4"1/4
Cut away bits as indicated in video or pattern and glue it all together.