Ralph Lauren polo shirt with stripes. According to the official website, 12M is equivalent to 80cm in Japanese size. I have kept it at home for many years. There are ink marks from a pen. Please consider purchasing, understanding that a child wore this item. Since I am a private seller, there may be other overlooked areas. Please consider purchasing, understanding these points. - Brand: Ralph Lauren - Size: 12M - Material: 95% cotton, 5% spandex - Design: Striped - Condition: Minor stains Thank you for viewing.