Clean and tidy. A reasonable size and perfectly capable for 2 adults. Paris hotel rooms are pretty small in general, but this one was absolutely fine. Hanging space and shelves, in room safe and TV, with a large bathroom.
External door locked overnight requiring room key for access, plus overnight desk has somebody on hand should you need them.
Walkability
The metro (tube/subway) is easy walking distance and then you can get anywhere. the gare du Montpernass mainline station is about 15 minute walk the Paris Catacombes is about 20 minutes walk.
Snacks and hot drinks are available breakfast is typical continental food, cereals, toast, pastries, fruit etc. And all included