Wash them thoroughly in distilled water and let them air dry on a horizontal rod through the center holes.
The out them in new sleeves and jackets.
You can get them here.
Or here.
Do this promptly before mold sets in, that will ruin them.
It is definitely worth trying to salvage them and likely you will be successful.
Through the jackets away, they will be a health hazard.
Use gloves!
Best of luck with this.