Built with recycled materials and a recycled TPU-film laminate; meets tighter carry-on requirements Large main compartment has two interior organization pockets, plus an exterior stretch-mesh pocket that fits a range of water bottles; pack volume is 30 liters Dedicated space for tech storage that fits most 15" laptops, with room for documents and cords; laptop carrier zips open and lies flat for easy TSA compliance Three carrying configurations allow the bag to be used as a backpack, a shoulder bag/cross-body bag or a duffel/briefcase; shoulder straps and padded hip-belt strap take weight off the shoulders when used as a backpack; all straps tuck away when not in use Padded, stowable hip belt doubles as the shoulder strap; change the carrying style by pulling the hip belt out of the pass-through panel and attaching it to the buckles near the long end grab-handle External lash points accommodate even more gear and can be used for other carrying configurations; features a wide webbing loop on the back panel that can be used as a grab handle or slipped over rolling luggage Patagonia Black Hole Mini MLC 30L Backpack