Category IS?

[angeldaisy03]

Just got my confirmation and it says cabin TBA and category IS ...anyone know what the IS is?? We booked a 4A inside guarantee.....also its says possible free upgrade. Any help appreciated!!

[Flip2cruise]

Just got my confirmation and it says cabin TBA and category IS ...anyone know what the IS is?? We booked a 4A inside guarantee.....also its says possible free upgrade. Any help appreciated!!

 

IS is basically the same as a 4A guar. It means your wont get a room with just bunk beds, which can happen if you book a 1A guar. There's always a possibility of getting a upgrade to a higher deck,or outside cabin but dont get your heart set on it. Just view it as icing on the cake.