Aritzia Babaton Satinette Squareneck Mini Dress Square-neck tank dress Perfect Little Black Dress Color: Black Size: XS NEW WITHOUT TAGS. NEVER WORN. Details: This is a square-neck tank dress with double-layer fabric that holds you in. It's made with Satinette — a glossy, body-shaping fabric with a satiny, second-skin feel. Materials & Care: Content: 75% polyamide, 25% elastane Care: Machine wash Imported