Polyester30%,Rayon65%,Spandex5% Imported Button closure Machine Wash Size - S=US(4-6), M=US(8-10), L=US(12-14), XL=US(16-18),XXL=US(20-22), see details of size in rich description. Material - lightweight and nice to the touch, soft high quality fabric. Not Shrink. Item arrival with a little wrinkles. Features - a flattering loose fabric, collared neckline, pocket detailing and adjustable roll up sleeves. Occasion - easy to wear top to go casual or business. The blouse is suit for casual outdoor, office work, party, wedding, beach, vacation, dating and so on. Wash - hand wash and machine wash, iron at low setting, lay flat to dry. Not Soak.