OK, stop laughing and listen a second.

My 34 inch umbrella is 23 inches long when closed. That means it easily fits into my luggage. I'd like to know how long the shaft of a 40 inch umbrella is because I'd like to know if that too would fit my luggage.

And if you know where I can find a 40 inch white umbrella with removable backing (to turn it into a shoot-through) please let me know.