Vintage Christian Dior nightie and robe set , p

Nightgown and robe set , vintage Christian Dior , there is nothing at all wrong with the nightgown and robe just the bottom hem is starting to undo , size just says petite , measurements are on nightgown , pit to pit is 17” ties in back , lace trim and ribbon ties under breasts in back , bows and flowers in both robe and nightgown in fabric , waist across is 20” under breasts but down some widens on way down , top to bottom is 52” ,robe top to bottom is 52” 100% polyester