The Adrianna Papell Yellow and Black Floral Sleeveless Knee-Length Dress in size 12 is a stylish and elegant option for various occasions such as weddings, parties, or casual events. Made from a blend of linen, rayon, and polyester, this dress features a flattering flare silhouette with a sleeveless design and a floral pattern in yellow and black. The dress also comes with a zipper closure for easy wear and has a lined interior for added comfort. With a knee-length hemline and a size 12 fit, this dress is perfect for the summer, fall, and spring seasons. armpit armpit is about 19 inches and length is about 41 inches. Thanks for looking.