This 18 million dollar module for the ISS will test to see if expanding the station can be done at a cheaper cost and trying to fit a module into a small rocket. The module expands up to ten times its size when inflated.
The module is 13 feet long with a diameter of 10 feet, and 560 cubic feet of leg room. But the company plans on making modules from 11,600 cubic feet to the nearly death star size of 74,000 cubic feet. If i was on the ISS i don’t know how i would feel about living in a balloon in space but if it works it works.