Vintage Caftan buying

We are bringing back green and polyester; the easiest fabric to wear buying and care for. This vintage caftan has been around for decades and still looks brand new. Hand embellished with the word JOY in sparkling crystals. One-of-a-kind. 
Front slit, bell sleeves.
Size: unmarked; see measurements
Length: 55 inches
Pit to pit: 26 inches
Waist: 32 inches (no extra give)
Sleeves: 18 inches
Color: Green
Fabric: 100% polyester
Care: Dry clean 
Condition: Excellent
This is your sustainability impact by purchasing this gown: 33.5 gallons of water saved, 9.7 pounds of CO2e saved, 21.7 kWh of energy saved. Source: Green Story Inc.