Thank you for viewing. The back of the waist is elastic. I've only worn it a few times, but I'm selling it because the size has changed. Waist width: 33cm Skirt length: 71cm [About the seller] ⭐ No smokers or pets in the household. ⭐ Instant purchase OK. ⭐ Listed on other sites, so I may suddenly stop selling. ✩ Please refrain from purchasing if you are looking for something like new or if you are sensitive to used items. ✩ Only those who understand vintage items, please purchase. ✩ Please note that there may be stains that are difficult to see in the photos, or oversights. ✩ I try to ship as soon as possible. ✩ I will ship it folded small. ✩ Please allow for errors as it is amateur measurement. ✩ Please understand that it is stored at home before purchasing. 【⑥】