I got the 28" duffel bag. The info on the tag says its 28"x13.5"x14.5" and 2.8lbs and 89L, which I believe is accurate. I love the size and its soft and flexible so should have no problems as a carry on if you don't over stuff it (if you take stuff out, it can get smaller). I like this bag a lot, but only time will tell its durability. The material looks ok strength but not very strong , and I definitely wouldn't want to check this bag in.