Bust lying flat pit to pit measures 23 inches.  Under bust lying flat side to side measures 20 inches.  Has a side zipper and liner has a satiny feel.  Please ask questions before bidding.  I do not refund because you don't like it or it doesn't fit.  Ask questions before bidding.  Comes from a smoke free and pet free home . Payment is due within  3 days.  Thank you for your interest.  💋