This is a set of one short-sleeved shirt and two vests for office wear. They are for summer and made of a light, airy fabric, making them very cool. The size is marked as size 5. They are new and unused, but have been stored at home, so please purchase only if you are not concerned about this. Shipping will be folded. The material is wrinkle-resistant, but there is a possibility of creases, so please consider this before purchasing.