Women's Yifei floral sleeveless silk dress size medium nwt

Yifei floral sleeveless silk dress size medium (2XL Chinese size). Dress hangs down approx. 39" (mid calf). Very soft and lightweight silky fabric that is non-clingy and not at all see-through. Can definitely be worn without a slip. Back zips up and has two snaps. Arm holes are not too large approx. 7" x 4"? Not sure how to measure arm holes exactly.