H&M Balloon-sleeved smocked dress NWOT Blue No Size Tag- Small

From the manufacturer: Calf-length dress in woven fabric with a fitted, smocked bodice, sweetheart neckline and long balloon sleeves. Narrow elastication around the neckline, over the shoulders and at the cuffs. Gently flared skirt. Unlined. Article number: 1144982001 Descriptive Length Midi Style Balloon sleeve Concept EVERYDAY FASHION Fit Slim fit Description White/Floral Size tag is missing, please be sure to carefully review measurements.