It's this glue like stuff you can put on fabric or paper that dries clear making a protective, durable coat(when used on top of the paper or fabric) and it's super easy and fun to work with.
Here is what I made using Mod Podge:
This project is part of many projects for a Western Cowgirl B-day party I plan on this coming March.
My little girl is turning three and she is in love with horses and ponies. So I came up with the idea to decorate horseshoes for the party. And they turned out beautiful: