The Io-20 The Monolithic Io-20 — This dome has the innate ability to resist natural disasters, such as tornadoes, hurricanes and earthquakes, as well as fire, termites and rot. Welcome! — Each unit includes a twin bed, kitchen table with two chairs, refrigerator, stove and a microwave. Just the right amount of space! — This is a great place for one or two adults, working singles, newlyweds, retirees, as well as single parents with just one child. Bathroom includes shower — The bathroom has a shower and toilet. This compact bathroom provides privacy with its locking pocket door. Functional kitchen — The kitchen area has plenty of cabinet space. Dining Area — The studios are embellished with ceramic tile floors.