"MiniTissues" are hydraulically compressed tablets that expand to an eight-by-ten "washcloth" (probably more of a strong Kleenex) when hit with a little water. They're marketed as a way to store clean, contaminant-free tissues easily in a purse or pocket.
You can buy 96 of them next month for $13, plus shipping. I can't wait to use one. They're like those pills you could put in water that would expand into dinosaurs.