Thank you for viewing! This is a gelato pique gelato pique kids' belly band. Although it has not been used, it has been washed and stored at home. The size selection was not available, so it is listed as 100cm, but it is a free size. It's made of stretchy material, so I think it can be worn by a wide range of children. I have also included a photo of the size. I hope it helps. Thank you very much. m(_ _)m