seems handmade! zipper down the back, slight pleating, very lightweight fabric (probably 100% polyester) w/ red and blue flowers, no brand tag but definitely vintage!

No size listed, fits like M/L

Chest: 36”

Waist: 32”

Hips: 64”

Length: 42”

Model is 5’7” w/ a 34” chest, 24” waist, and 34” hips, and this piece fit them loose/oversized