wet hand towel; moist towelette
A small, damp towel (often warm) provided at restaurants, bars, or on airplanes for cleaning hands before a meal.
When you enter an izakaya, a wet towel is brought out first.
夏は冷たいおしぼりが気持ちいい。
In summer, a cold wet towel feels great.
The staff handed the customer a wet towel.
I wiped my hands with the wet towel before the meal.
In winter, many restaurants serve warmed wet towels.