This Vintage Blue Sheer Peignoir Robe Nightgown Negligee Lace Housecoat Dressing Gown delicate chiffon material drapes beautifully, creating a flowy silhouette that is perfect for eveningwear. The gown is perfect for sleepwear and lounging, and the blue color adds a touch of elegance to the overall design. 

The tag is faded cannot tell the brand. According to the measurements it's a medium. recently dry cleaned. has a small spot on the cuff see photo where i circled it 

total length of robe and nightgown 54"
underarm of robe 34" wide
robe shoulder 30"
night gown width 42
nightgown underarm 32"