This apartment was very well located in the center of Paris. Just a step (literally) from the metro station and surrounded by little groceries stores (regular and Organic places) and great places to eat at (we loved Happy Nouilles, a 5 minutes walk from the apartment and kids friendly). The hosts were very quick to respond when we emailed and very helpful. We never had any problems. The apartment was exactly as described, very clean with comfortable beds. The kitchenette, silverware and plates, and the table size were enough for the 5 of us to eat. The host had provided a few essentials including some coffee pods and coffee machine, cooking oil, salt and pepper, dish soap, bathroom soap and shampoo and paper towels and paper rolls as well as laundry soap for the washing machine (there is no dryer though but something is provided to hang your clothes to dry).
We had the possibility to leave our luggage earlier than the check in, so that was practical as we could go visit the city without carrying all our stuff. The area of the apartment felt really safe even at night. We often came back late (10 or 11 pm) without any fears (and we had 3 younger kids which never were worried by anything during our stay). There is a little bit of noise in the apartment during the day but it is minimal and to be expected when you stay in the center of a big city like Paris.
The place is also walking distance (10-15 minutes from the gares du Nord or de l'Est, les Halles, Pompidou center, the seine river so it is very well located).
Aline checked on us during our stay to see if we needed anything (which we did not because they did a good job anticipating all our needs) and the hosts were great. We will definitively stay here again during a next trip to Paris.