We enjoyed our stay in the flat a lot. It was comfortable with big bed and all kitchen tools you need (we did use them nearly every day). It is tastefully decorated as well. The flat is spacious and that is not obvious in Naples. It's situated in the backyard so there is no much day light but it is quiet. We did enjoy coming home after a long day of walking and have a big space and bed to relax!
And it's also very good situated! Perfect to get to the train station (we walked there almost every day: 10 Min.). But you are in the center of the town, all the important sights are within a short walking distance. We definitely recommend it!