Beautiful apartment in a great neighbourhood in Amsterdam. The kitchen had everything we needed, the beds were comfortable, and the place feels spacious and relaxed. Everything was clean enough, the heating works well, beds are comfortable, the space is beautifully decorated, and we enjoyed our stay. So overall - a lovely place, centrally-located, almost opposite the tram directly from Centraal Station, and big enough so that you can be with a group and still get some private time.
There is a bed and a sofa-bed, and both are small. We are not big people, but it felt cramped, and it's lucky we're all very close :) Would be difficult if you're tall, or broad, or larger.
NB: You have to pass through the bathroom to access the only bedroom. So it's very key to be super comfortable and close with the other guests.