Costume Hats I Ordered A Mad Hatter Halloween Costume. The Hat Has Fold Marks & Is Wrinkled. How Do I Make It Look Decent ?

I ordered a Mad Hatter Halloween costume. The hat has fold marks & is wrinkled. How do I make it look decent ? - costume hats

Sure seemed like a good line, but the hat and dress needs TLC. In the theater, I thought ya'll could do some tricks have to look good clothes. Thank you!