we have just returned from our Celebrity cruise ex Southampton,labled all boxes on 3 sides and used a marker pen as well ,dropped them at dock side with luggage,they were in the cabin on arrival all open and marked checked by hounds, but resealed,had a coppy of email from special services but not needed a bin was in Cabin,also took a hot water bottle to pre heat bags only carried out a nightly change so not too much hassel , would not hesitate to go again