Size O. This is equivalent to a size LL. It has been dry cleaned, so you should be able to wear it immediately. However, there are some light stains that the dry cleaning didn't remove, so the price has been reduced. They are not very noticeable. Please check the images. This is a used item, so please understand. ♡ If you have any questions, please comment. ^ ^ ❤︎Size❤︎ Width: 67.5 cm Length: 107 cm Sleeve length: 74 cm