steamed towel; hot towel
A towel that has been steamed or heated, often served to customers in restaurants, on airplanes, or in spas to wipe hands and face.
Steamed towels were handed out on the plane.
I wipe my hands with a hot towel before the meal.
Compound of 蒸し (mushi, 'steaming') from 蒸す (musu, 'to steam') and タオル (taoru, from English 'towel').