Size: S=US 4-6 , M=US 8-10 , L=US 12-14 , XL=US 16-18 , 2XL=US 20-22. *The buttons are decorative and can NOT open.* Classic Features: This long sleeve dress showcases classic crewneck and decorative button design, complemented by smocked detail and empire waist. The flowy A-line hem of swing mini dress add a chic and elegant touch, making it a must-have for wardrobe. Soft Fabric: Crafted from soft and airy fabric, this casual dress is both skin-friendly and breathable, ensuring all-day comfort. The solid color shows a versatile charm, which is easy to pair with a variety of accessories for different looks. Various Occasions: Perfect for casual style and elegant wear, this shirt dress is suitable for many occasions, including beach outings, vacations, parties, wedding guests, club nights, dates, shopping trips, and daily wear. Its versatile design makes it an ideal choice for laid-back and chic events. Crewneck long sleeve dress/ empire waist dress/ button down shirt/ shirt dress/ work dress/ church dress/ skater dress/ smocked dress/ elegant dress/ flowy dress/ swing dress/ casual dress/ formal dress/ womens fashion dress/ vacation dress/ christmas dress/ spring dress/ summer dress/ fall dress/ winter dress in solid color. This long sleeve dress features classic crewneck, decorative button design, smocked detail, and empire waist, with flowy A-line hem that adds a chic and elegant touch. Made from soft, airy, and breathable fabric, it ensures all-day comfort and is perfect for various occasions, from casual outings to elegant events for spring, summer and fall.