Nice apartment, with large bedrooms and enough space for even 3 people (although I have to say I was the only guest, so this is a guess). Also, there is a washing machine despite the announcement says it has not, which was a nice surprise. I was in Florence for work for more than 2 weeks, and I found the place comfortable for a long stay.
On the down side, the bathroom is small (low ceilings and small swhower, which could be a problem for tall people).
Also, they're quite strict on the checkin-checkout hours. It is described in the announcement, so you know in advance, but it would be nice that they could be a bit more flexible in that: I arrived to Florence at 11:00, and they charged me 5 € extra for doing the checkin at 12:00 instead of 14:00. Also, it was not possible to do the checkout after 10:00.
In any case, a really nice apartment, warm and cosy, in a great location near the train station, the tram, and within a walking distance from the city center. I had a great time in Florencia, and I would stay again in this apartment if I am back in the future.