Only used twice! I purchased this pack last fall and have traveled with it only twice. This is a 42L pack...you can pack for days! I've discovered that it is more than I need. Smoke-free home Here's are additional details about the pack from Cotapaxi's website: " The Allpa 42L Travel Pack - Del Día protects and comfortably carries all your gear, whether it’s on your back, strapped to the roof of your car, or in the belly of a puddlejumper. The Allpa’s padded, mesh suspension system and load lifter straps provide a comfortable carry during long walks to the hostel or all-out airport dashes. Identical to our standard Allpa 42L Travel Pack in features and function, this Del Día version uses remnant fabrics, making each pack one-of-a-kind. Weight-distributing, low-profile harness system with an adjustable and removable hip belt for a comfortably carry Suitcase-style, full-wrap zipper opening on main compartment makes organization easy Stay organized with 2 internal mesh compartments: 1 large compartment on right side, 1 subdivided compartment on left  15" padded laptop sleeve & 12.5" padded tablet sleeve Shortcut zipper to main compartment for easy access Top zippered pocket stores essentials or smaller bags like our Allpa X Hip Pack  Security anti-theft YKK zippers on all closures Carabiner lash points for clipping on extra gear 4 reinforced grab handles 42L (2563 cu in)  22 x 14 x 11" (56 x 36 x 27cm) 4lb 3oz (1905g) 100% remnant nylon and polyester"