The appartement has two rooms with a small balcony. Elisa was quite accommodating and communication was great! The only issue we had with this appartement is the noise. The previous reviews really undersell it in my opinion, the walls and windows are very, very thin. Due to the bedroom facing the street, you have to endure a constant cumulative soundscape of trams, cars, scooters and even voices of passersby all night. Trastevere is a very lively part of rome and rome has a lot of traffic in general, so it was literally impossible for us to sleep without ear protection. So be advised, if you are not used to sleeping in very loud surroundings, bring some ear protection.
Other than that, the location is amazing and perfect to visit Rome and we were all in all very happy with the place.