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Wow are you gullible!
I bet you believe in the 4 hour erection too!
I went to Amazon and they call the products “Incontinence Underwear” or “Protective Underwear”. You apparently have a problem with making it a habit to go to the toilet prior to boarding an aircraft. If you also have a problem “holding it” for a bit while on a plane, perhaps you should try these “incontinence” products.