- 95% Cotton, 5% Elastane - Round Neckline - Midi Length - Fitted Jersey - Slim Fit - Shaped Waistline - Sleeveless - Unlined - Crystal Embellishment The Magic Of The Mercado Jersey Tank Dress is a sinuous, silken column with a softly sculptural shape, designed to flatter and elongate. The print features a playful cornucopia of vintage stamps and stickers, Azulejo tiles, vibrant florals and hand-painted ceramics.