Vintage Australian designer black evening dress

Purple Patch Australian designed elegant simplicity evening dress. Consists of a silky satiny sheath with a chiffon over dress. Would fit an 8-10 US. Very good condition. 100% polyester but doesnt feel like it. Can travel well without ironing or steaming. Bust laid flat 18", shoulder to shortest point on hem 46", shoulder to longest point on hem 55". Easy to wear elegant and floaty.