This is a jacket made of a shaka-shaka material (a type of nylon or similar fabric). The size is 150. As shown in the photos, it's a thin material, suitable for children who play sports. There is a name written near the neck and on the inner tag. I will black out the name on the inner tag before shipping. I don't see any noticeable stains, but please understand that this is a used item from a personal flea market. If you are concerned about small details, please refrain from purchasing.