California Cover comes to mind. However, personal experience, I own 4 car covers and keep them neatly folded and stored in the closet.

I found (Florida heat and humidity) and car covers don't mix that well. I purchased comforters from gargage sales and cover my inside toys with them. My outside stuff gets to bake in the sun ... it's a fact of life.

If you requirement is outside storage cover, good luck. Sand and wind will do a job on the finish.