This is a blue dress purchased from Double Closet. The sleeves completely cover the upper arms. The skirt length was about the same as the first image for someone 160cm tall. There is no size listed, so I'm listing it as free size. It feels like a size M. There is no petticoat, but it is not at all see-through. From the website: A trendy, open-neckline dress with a front ribbon that adds a vintage-like touch. The design of the open neckline, which shows off the skin, is attractive. The geometric dots that accent the outfit create a retro atmosphere. The loose, puffed sleeves and the softly flared A-line silhouette create a feminine look. This is a recommended mini dress that can be worn in various situations. Styling: The mini dress is trendy when paired with boots. Of course, open-toe boots are great, but it's also cute to pair it with chunky platform sandals.