Tiana B. Off The Shoulder dress Black Polka Dot Cinched Waist Size 12 The Tiana B. Off The Shoulder dress in black with polka dots is a stylish and trendy option for women size 12. This A-line dress features a flattering cinched waist, 3/4 sleeves, and an off the shoulder neckline with ruffle accents. Made from a comfortable polyester and spandex blend, this short dress is perfect for any special occasion or a night out. The black and white color combination adds a chic and playful touch to the overall look.