Good vintage condition, no flaws to note!
Item has been kicking around for 50 years or so, but ready to wear :)

No brand, no size tag
fabric is a 50% acrylic 50% Chlorofibre blend, lightly shimmery

Fits like a smallish Medium
Fur is pretty thick, so keep that in mind with the measurements, it will fit smaller
Bust measures 22 inches pit to pit lying flat
waist is 22 inches across
waist band/hem is 26 inches across
length is 33 inches