The product is made of high-quality wood. For a long time it retains its shape, presentable appearance and does not undergo damage. Hygrometer thermometer is designed to measure humidity and temperature in bath, sauna, steam room. A convenient scale with an indication will tell you when staying in a bath or sauna will be as comfortable and useful as possible for you. This stylised wooden-bodied bath meter is a great gift to friends and acquaintances who have their own bath or sauna. It is made of environmentally friendly materials, does not contain mercury.