The cabin was made up, as requested, as a double. But with the dressing table and chair, tub chair and small table there was not enough room to manoeuvre around either side without performing acrobatics so we had it made up as two singles and that gave much more room. There was plenty of storage space and the suitcases slid under the beds. The bathroom was small but adequate with a good shower and, hurrah, a non-clinging shower curtain. Good quality shower gel and hand wash.
The beds are quite hard but comfortable and have duvets with good quality bedding.
The hairdryer is OK - it's the hold the button to make it work type.
Deck 2 is quite low down and so we spent time just kneeling on the beds watching the waves and enjoying the 'final rinse' when the waves splashed over the windows darkening the whole cabin - frightening the first few times it happened.
Our cabin (3051) was rather small, and particularly short of drawer space. We managed, but I would not wish to make a long trip (4 weeks or more) in it. The airconditioning did not work at first, but was repaired fairly quickly (change of controller required) when reported. Not the quietest of rooms but OK.