I was pleasantly surprised by the large single room - single rooms are often really small and with narrow beds, but this was a full size room with a very comfy 120 cm bed (and four pillows!) and everything you might need, like a safe, great AC, minibar, desk and chair, hair dryer, etc. The soundproofing was also good. This was my tenth night in Italy and the best sleep I had!
They also stored my bag for the day, and in the basement there are nice restrooms where you can change before going to the train or the airport. When in Rome for only 24 hours, I always prefer to stay close to Termini and this was a great choice.
Great service, too! Recommend it! Grazie!