The size is listed as 3-6 months, but my child was able to wear it until around 1 year old. It was worn for one spring/summer season and not very often, so I think it's in good condition. It has been cleaned at home several times. I don't see any noticeable stains, but this is a used item, so please refrain from purchasing if you are sensitive to this. I will fold it up small and send it.