Oxygen masks provide a way to transfer oxygen from oxygen tanks to the lungs. Oxygen masks can cover only the nose and mouth (mouth and nose mask) or the entire face (full cover). They can be made of plastic, silicone or rubber.
Hotel towel, is an important part of hotel linen, a kind of cloth textile, long hair, common use is to wash hands and feet after busy, wash your hair after wiping your hair, wipe your body after bathing, wipe your mouth after dinner, and so on. Absorb moi