The apartments is relativly small but very well equiped, it has absolutelly everithing you need. The building is super safe, with access codes and two doors.
Location is excelent, there is no need for public transportation at all, everithing is at walking distance. 4 minutes from the entrance of the building to Louvre, 1 minute to Gardens of Tuileries, the Metro station is just across the street (we've never used it). Taxi station is at 5 meters from the building, restaurants and shops are plenty around. We've chose this apartment purely for location as we were with a 3 years old child and it worked perfect for us. If I would go back to Paris this is definetly the place that I would choose, already recomended to all my friends.
Another good thing is that Sofie's husband is very friendly and polite, they've left us to keep our luggages inside the room up to 14:00 with no extra charges.
The only minus is that If you are a smoker you have to go down, outside the building because there is no balcony/terrace.