If you find vomit on your perforated leather seats, there are a few things you can do to clean it up. First, use a vacuum cleaner with the hose attachment to suck up as much of the vomit as possible. Then, pour a pot of boiling water onto the vomit and wait five minutes. After five minutes, use a wet cloth to wipe down the vomit and the surrounding area. Finally, dry off the area with a towel. ..