You are completely free to sell your finished product if you like, all I ask is that you give me credit for the design and provide a link back to my store. If you plan to sell these just shoot me a message beforehand for all the details.
A full pattern and step by step picture tutorial in pdf form will be available for you to download after purchase.
The finished product will fit snugly on an average adult sized head. There are additional instructions to enlarge the pattern if you like your hats a little looser or have a larger head.
Some experience with a sewing machine is recommended, but even novice sewers should be able to complete this project.