Soft furniture material

What material can one use for fabricating totally soft furniture that is as soft as a bean bag and yet durable. Will latex help in anyway?

when you say durable you must mean that bean bag chairs eventually get too compressed and must have their filling replaced. Check out Foof chair. It is a bean bag company that uses shredded foam for their filling. Its a mix of shredded egg carton shaped foam and other things. They last longer than the normal styro foam filling. And is evry comfortable. I have one.