The size is 26cm. The condition is a very beautiful, like-new item with no noticeable scratches or stains, but please check the photos and purchase accordingly. Although this item has only been tried on, please refrain from purchasing if you are overly concerned about minor details. We inspect each item for stains and damage before listing, but there may be instances where we overlook something. The color may appear slightly different from the actual product due to differences in monitors and browsers. When shipping, we will fold the item as compactly as reasonably possible due to its size. To prevent replacement-related issues, we do not accept returns, so please be aware of this beforehand. Thank you for viewing.