This is a very cool open front kaftan robe, I'm assuming adorned for a costume.  It is polyester with applied beads, sequin, tassel, velvet and peacock feathers.

It has an open front and wide dolman sleeves with sequin cuffs.

It is marked one size fits all and measures about 50" across the top sleeve to sleeve and 53" long.

There are some loose beads and some glue residue by the feathers, see pictures, this could be covered up by adding more feathers.

There are also some light spots, I have not tried to launder it, I'm sure with a little effort by spot cleaning, they will come out.

This is stunning and is sure to turn heads!