This is a set, size 9 for both top and bottom. It's a suit that can be washed at home. Purchased at Yofuku no Aoyama, I wore it about twice for interviews. I don't see any noticeable stains, but there might be something I missed. Please refrain from purchasing if you are concerned about minor details. The skirt length is about 56cm (measured at the center) There is a slit of about 17cm at the back. When shipping, I will compress it to pack it, so there is a possibility of creases.