Size Information: The cruise luggage tag holder is compatible with P&O Cruises, Princess Cruises, Carnival Cruises, MSC Cruises, Norwegian Cruises, etc. It measures 7.3 x 3.5 in/18.5 x 8.8 cm on the outside and 6.1 x 3.2 in/15.6 x 8.2 cm on the inside, with each steel ring is 6 in/15.3 cm long.
