Maje flower power printed satin dress NWT SIZE 38 FR US 6

Flower Power printed satin dress. NEW WITH TAGS Size 38 French fits like a S-M the Maje site conversion chart says that is an US 8 but I would say that fits more like a 6. Look at pics with measurements. I am 5’ 6” and sits over the knee. The waist is difficult to measure because is open on the sides. Short dress with fitted waist and flared hem. Flowing, lightweight satin. Straight 3/4-length sleeves, flared at hem. Pink Flower Power print. Openings on sides of waist. Gathers and V neckline. Ties at openings. Day dress or occasion dress. Short dress with fitted waist Pink Flower Power print Gathers and V neckline Main fabric: 100% polyester Tassel: 100% cotton Regular cycle 30° Do not bleach Do not tumble dry Iron at a maximum temperature of 110°C without steam