I've worn it a few times. There's no size label, so it's unknown, and I've listed it as free size. The waist measures approximately 34cm when laid flat. [Important Notes] ✧ Please read my profile before purchasing. ✧ Please refrain from purchasing if you are sensitive to initial scratches, etc. ✧ Please understand that this item is stored by a private individual. ✧ Please note that wrinkles may occur during packaging.