Alice + Olivia Zebra Top Blouson Silk Blend Slouchy Dress - it's a size Small and in good pre-owned condition. The size tag fell off after taking a pic of it so that's no longer on but rest assured, it is a small.

Ruched sides
Slouchy style
Sleeveless
Tank sleeves underneath blouson (attached)
Shell: 50% Silk, 38% Rayon, 10% Nylon, 2% Spandex
Lining 1: 94% Viscose, 6% Elastane
Lining 2: 80% Nylon, 20% Spandex
Bust 15" flat
Waist 12" flat & unstretched
Length (from shoulder to hem) 37"

#236