The apartment was perfect - it was compact (as are most flats in Paris) but the space was managed really well and it didn't feel cramped or small at all. It was modern and clean with all the amenities you might need - we liked having the espresso machine in the morning - and we didn't have any problems. At night time it was very quiet so we had no trouble sleeping.
The flat itself is in a great area, it is directly on the canal and is surrounded by nice shops and bakeries with 3 metro stations within a 5 minute walk to easily connect you to anywhere you want to go.
The hosts were friendly and offered suggestions of things to do in the surrounding area and were quick to answer any questions we had before and during our stay.
We would highly recommend staying here!