This has been used on one trip. Great pack. Can be used as a trolley bag - has wheels and a pull up handle and backpack straps with hip belt. Straps can be zipped away for on a plane. This is the 50lt Gluon pack from Kathmandu and also has the day pack which goes with it which can be strapped on the front as shown, straps slipped over handle when wheeling or used as a day backpack. This pack (with the day pack) costs over $400 new and is perfect size for women. Pick up Rolleston