The apartment is in a great location, and easy walking distance to the metro, the Champs Elysees and the Arc de Triopmhe. Stephanie was very responsive in her emails, and was quick to provide assistance. The apartment is listed as sleeping four, but I think that it would be tough to fit four adults in this space (there was my husband and I plus our 4 month old daughter, and it was tight).
Also be aware that there is a 50 euro charge for cleaning the apartment (on top of the cost of the accommodation) along with the requirement to pay 50 euro to cover the cost of electricity (the electricity charge itself was minimal - we were only charged 4 euro and had the remaining 46 euro refunded back to us).