Post-its are a great idea! (thanks luckysll)
The only other thing not already listed that is on my must-pack list is a can of Lysol. I like to spray the entire bathroom and most of the cabin (carpets, spreads, etc.) before we unpack. I'm sure they are probably fine, it just makes me more comfortable.
NCL Sun, Oasis OTS, Navigator OTS, Legend, Fascination, Emerald, Glory, Mariner OTS x 2, Sovereign OTS, Celebration, Miracle x 2, Pride, Fantasy