Humidors are a furniture item that are essential to keep cigars fresh and in good condition. They come in different shapes and sizes and feature various materials, such as glass, wood, or metal. Synonyms for humidors include cigar boxes, cigar cabinets, cigar humidifiers, cigar vaults, and tobacco jars. These terms are all used to refer to a container that is specially designed to maintain a constant humidity level to preserve the quality of cigars. Other related terms include cigar cases, cigar pouches, and cigar bags, which are smaller containers designed to transport a few cigars while keeping them fresh.