Easy to wash dishwasher in which normal washing detergents are poured. Put a cap frame around the baseball hat. Take the hat and frame into the dishwasher. Now on the dishwasher and run its like a normal way to run of dishwasher cycle. The hat is dry in the natural way that is airdried and put inside the cap frame. That is a complete and natural way to remove stains from the hats of the dishwasher.people are normally use that way to clean hats in a dishwasher. Maximum peoples have enough awareness about that way of washing.