This 3-piece set is very cute. Size 66 (the size tag is in the last photo). There was a feeling of wear and some pilling when I purchased it from the previous seller (I didn't notice any increase in pilling). The previous seller said their child could wear it up to 10 months old. I wore it about 3 times between 2 and 4 months old. It was very cute. At 4 months old (slightly above the growth curve), it still had some room, so I thought it might be around Japanese size 70. Thank you. Korean baby clothes Bonnet Hat Boy