Exactly what I have been looking for
"Perfect size. Light but built like a tank. I have an eagle creek wallet in daily use for more than 20 years. This looks like the same material. Pockets on top allow easy access when in the overhead flight compartment. Wheels super strong and tucked in so they won’t snag on anything. Able to convert to a very ergonomic backpack if you have some unexpected rough terrain or getting on or off a shuttle with an additional larger carry- on ."