"As a frequent traveler and member of many loyalty programs we sometimes enjoy perks like a free drink or a room upgrade. At Rembrandt hotel they managed to give us a downgrade. We booked a Premium King room with a kingsize bed, at check in they got us probably the worst room in the hotel with an uncomfortable queen size bed, TV in a very awkward position and BTS noises all day. Initially I thought it was my mistake booking the wrong room but the day after a louzy night sleep I checked and it was confirmed that I booked the Premium King room. I complained to the manager, she got us an other room but no apologies or explaination why we were not given the room we bookeda at check in This was a very unpleasant start from a three day stay. Maybe we should have been more alert but you may expect that you receive the room that you pay for and if an unfortunate mistake happens, management apologizes at the least. So beware at Rembrandt Bangkok: make sure that you get what you paid for! "