Is there a way to deal with this dent/caving in of my belt bag?
The dent is between the two internal mesh pockets.

Bag is about 1.5 years old. I’ve had to hand-wash due to staining, and it started to cave in like this afterwards.

I’ve tried stuffing it and steaming it, but it still dents in when I pack it normally.
Maybe I need to leave it stuffed in much longer, over a month?