This is a great stay for the price offered.
we stayed for five nights and the small kitchen and laundry offered a great help on the stay with a baby.
Plus points are: Location, infrastructure and Price. You will be close to metro stations and you can even walk to the main attractions. We walked to the Louvre and other locations and we would enjoy the shops and bakeries along the way (I suggest you look into Rue de Nil. it has a great bakery and cheese shop). You could skip a restaurant and the room has everything you need for a nice bread, cheese and wine dinner.
The bad things about the stay were: The access is a bit tricky you you have bulky items (we would have to take everything upstairs and come back down for the stroller which had to be retracted for the stairs). This stay is a NO if there is someone with disabilities, I would think.
Mattress has seen better days as well but nothing that disturbed the sleep after a long day walking in Paris.
Overall, I would recommend the place. Great location!