a lot of times they put "Dry clean only" just to cover their behinds. I don't see anything in the fabric content that needs dry cleaning.

I would wash on gentle cycle and either dry on low heat or hang to dry. I wash everything. I have had some mistakes, but I'm really careful to read labels now. Dry Clean only does not fit with my life style. Plus I live in the country and the nearest cleaners is 12 miles.

Often, the manufacturers put the 'dry clean only' on the label to cover themselves in case you don't take enough care and it is ruined.There are only a few fibres that will crack if you wash them in hot water so I always make a calculated guess and wash carefully and have not had major problems.If you are worried, try a small inconspicuous section first.

It might shrink some -

I'd also wash it in cool water (gentle cycle) and dry it on permanent press setting - in the great big washer and great big dryer so it could flop around easily.

Okay, so i got the courage to put my $5.00 purchase into the washer.
I ran into a problem. It won't go. I have attached a picture of this comforter on the couch to show the size of it. Another to show my 5 pound pup on top to show it will go down a little but I am afraid that with it stuffed into my washer, it will not get cleaned so it is off to find a public laundromat to see if they have a larger one.
The sage continues.

Be careful. I had a comforter that said to dry clean but have also heard not all things have to be done like that so I had my daughter in law take it to a laundry mat to use the great big machines and the batting bunched up really badly. It cost me around 100 so that was a big waste to me.

That looks like a comforter with not that much quilting on it to hold the batting in place. I'll be interested to see how it turns out.

I was going to suggest the same thing. I do this all the time with my quilts

Wash and dry. The chemicals in dry cleaning are worse than mild soap and water!

I had a hand-me-down comforter similar to yours. I washed it and dried it on low and the poly batting melted into one hard lump. Most dry cleaners have a bulk load dry cleaning offer where they simply do all your dry cleaning but don't professionally press anything. Why ruin the comforter? It isn't all that expensive to clean it the bulk way.