For formal occasions like weddings and Shichi-Go-San (a traditional Japanese festival for children). All items have only been worn once, so they are in beautiful condition. Each item can also be worn separately. Shirt: Size 90 Pants: Size 90 Vest: Size 95 The shirt is a romper style, so the shirt won't come untucked or ride up. The vest is made of casual fabric, but can be used for kids' formal wear if you add a bow tie. Bow tie not included. Since children at this age want to move around freely, you can dress them with the peace of mind that it's okay if they get a little dirty! Another set in a different color is also available. It's very cute to dress twins in them! #Wedding #EntranceCeremony #ShichiGoSan #Birthday #Twins