Thermohygrometer and hourglass for sauna, solid pine wood This 2-in-1 set, consisting of a hytherograph and a sand hourglass, is an essential sauna accessory that will make using the bathhouse a more comfortable experience. The necessary thermometer and hygrometer for the sauna: controlling the temperature and humidity in the bath is an extremely important issue. With this 2-in-1 thermometer and hygrometer, you can measure temperature and humidity with ease and precision. Szkło heat-resistant: equipped with szkło heat-resistant hytherograph and sand hourglass are designed to withstand the hot and steamy environment of the sauna. 15-minute sand hourglass: 15 minutes is the often chosen length for sauna sessions. The rotating sand clock also has 5 and 10 minute markers in case of shorter stays in the bathhouse. Durable material: Solid pine wood is a beautiful, natural material. Wood is ma a simple grain structure, and knots give it a unique, rustic look. Made of pine thermometer-hygrometer and hourglass are characterized by greater durability. Material: solid pine wood (raw), szkło, sand Dimensions of the hytherograph: 14 x 14 x 3 cm (L) x width x H ) Hourglass dimensions: 5 x 3 x 29,5 cm (L) x width x H )