Very thick and fluffy.  Be sure to measure your chair from one end, down inside along a seam, out to the other end then order the right size. If you order strictly by chair diameter, you'll end up with a too small cushion.  In my case, I knew I was ordering a size too small but it was an open box item and the cats are the only ones who sit in the papasan chair.  They don't care as long as it's fluffy (and boy is it!!).  The orange is a dark sunset tangerine shade, really pretty. Quality of the cushion is excellent.