Thank you for viewing! My daughter wore this a few times when she was 3-4 years old. The tag says "M," but there's no clear size indication. I've listed it as approximately 90cm. I've written my daughter's name on the back of the tag in the photo, so I will cut off the tag. If you have any questions, please feel free to comment. ☺︎ I hope those who understand that this is a used item will consider purchasing it. *Please read my profile.* Thank you! ☺︎