This is a Patagonia Reversible Infant Reversible Puffball Bunting. It has only been tried on and is in very good condition. The size is listed as 0-3 months, but it seems a bit large for Japanese sizes. Width (underarm to underarm): approx. 29cm Length (from collar to inseam): 40cm Length (from collar to toe): approx. 60cm Please check the above measurements. It has been stored at home. For those who understand. ☆