To wear this dress, simply step into it and adjust it on your body. It's a midi - length dress, so it'll look great with heels or flats. As for the faint yellow marks, don't worry too much about them as they add to the dress's uniqueness. When it comes to maintenance, it's best to follow the care label instructions. Usually, a gentle machine wash or hand wash in cold water is a good idea. Avoid using harsh detergents that might damage the fabric. Hang it to dry instead of putting it in the dryer to keep its shape intact. Enjoy wearing your one - of - a - kind Ace Midi Dress!