Extremely Durable, Weather-Resistant, 100% Recycled Fabric Built with recycled materials and a recycled TPU-film laminate; based on the maximum carry-on size of most airline carriers, and free of wheels or handles that might get in the way once you're out of the airport Large main compartment with two interior organization pockets and one drop-in top pocket for smaller items; bag volume is 45 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 or a duffel, and all straps tuck away when not in use; external lash points add the ability to accommodate more gear 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 Wide webbing loop on the back panel acts as a haul handle or can be slipped over the handle of rolling luggage for easier movement through airports Patagonia Black Hole MLC 45L Backpack