C17 This Marks and Spencer dress in black midi length is a stylish and versatile addition to any wardrobe. The ribbed soft feel polyester material gives it a luxurious and comfortable texture, perfect for casual occasions. The boat neckline and long sleeves add a touch of elegance, while the size 18 ensures a flattering fit for regular size women. With its machine washable care instructions, this dress is both easy to maintain and a practical choice for the spring season.