We keep a Trigano pop-top (1.95H x 5.0L x 2.0W) in our garage. Your measurements are 2.23H x 5.48L x 1.83W. You can get a Trigano or Eriba that narrow, but most production caravans are 2.10-2.20 wide. One or two main manufacturers make narrower versions, but I can't remember who. Have a trawl...