UNIQLO Specifications - Sheer: None - Top Fit: Slim Material 51% Polyester, 49% Cotton Care Machine wash cold, gentle cycle, use laundry net, dry clean, tumble dry low This business shirt is finished with a special technology and specifications that make it wrinkle-resistant even after washing, eliminating the need for ironing. I am selling this because I don't use it. Shipping will be done after removing it from the bag.