A humidor is like a special box where people can keep their cigars or other tobacco products so that they stay fresh and good to smoke. It's kind of like a fridge for cigars! The humidor has a special system that keeps the temperature and humidity just right, so that the tobacco doesn't dry out or get too moist. Inside the humidor, there is usually a sponge or something similar that keeps the air humid and makes sure that the cigars stay fresh and tasty. People who enjoy smoking cigars or pipe tobacco like to use humidors to keep their tobacco in good condition so that they can enjoy it whenever they want to.