Made of durable materials, the Daylite Carry-On Travel Pack feels just as solid as you'd expect from Osprey. The main zipper opens in a suitcase-like style, making for very easy packing. When you detach the padded shoulder straps from the biners at the lower part of the pack, they can be slipped into their own pocket at the back panel - this way you have a bag in your hands instead of a backpack. The rucksack's structure also has a sleeve into which you can slip the handle of a trolley. In this way, the backpack gets a ride on the handle. - Comfortable AirSpace back panel - Two elastic side pockets - Front organizer pocket for small accessories - Mesh pocket inside - Lift handles on top, side and bottom - Suitcase-style straps inside - Padded compartment for a max 16" computer - Another easy-access pocket with room for max. for 17" computer - Chest strap with a safety whistle on the buckle - The zipper pullers have holes for a separately available lock As with other Osprey bags, all