Vintage Vanity Fair lounger Robe size 12

This vintage Vanity fair lounger has a zip front, Vibrant purple with pink stripes. This lounger gives me MCM retro vibes, cute throwback, can be worn around the house,... simply cute vintage flair 🌸🪻🌸 approximate measurements p2p 20" legnth 33" (from shoulder to bottom) pls go by measurements, not size. This is vintage, & measurements don't really equate to a size 12