How long can a McDonald's paper cup hold liquid - 4K Time Lapse

Bear in mind, this video is not a statement against McDonald's. Obviously, they have to coat their cups with a thin plastic film otherwise the drink would soak through in minutes if not seconds. Not only McDonald's, but almost all paper cup has a plastic film in them. It's about the proportions, and most part of the cup is made of paper, which is an environmentally friendly material