These pants fit a variety of sizes, and they can fold up really small for traveling. 
 
To wear, simply wrap ties from front to back, and tie in back.
Then, wrap ties from back to front and you're ready to go! You can tie in a bow, or however you'd like.
 
Here is a video of how to put these pants on: https://www.instagram.com/p/CnNcAI7o34x/