This ASOS dress in size 12 is a new blue halter-neck design with an open back, perfect for a party or cocktail occasion. The sleeveless fit-and-flare mini dress is made from polyester and elastane fabric, making it comfortable and easy to care for with machine washable properties. The stylish accents of the straps add a touch of elegance to this autumn, summer, and spring wardrobe staple from ASOS. Perfect for adding a pop of colour to any special event.