I bought this for my child's entrance ceremony, but they were unable to attend due to illness, so it has never been worn. It has been washed once. The size is 73. This is a set of 3 items. *I am also selling a size 80 girl's dress separately. If you would like to purchase a pair, I will offer a discount. The boy's set includes a cardigan, romper, and hat. This 3-piece set allows you to easily create a cute formal style. It's perfect for everyday fashion as well as formal occasions like ceremonies. The top is made of soft cotton T-shirt material, making it ideal for hot summer outings. The plain and simple design is easy to match with anything and doesn't require a specific top. It's very useful to have one on hand, and it's also great for sudden temperature changes, sun protection, and shade. This design prioritizes your child's fashion and functionality, and can be worn for formal occasions such as weddings, entrance/graduation ceremonies, school entrance/graduation ceremonies, Shichi-Go-San, celebrations, recitals, and photoshoots, as well as for casual everyday wear.