Two bags in one! Back pack and detachable cross body bag! Also comes with a little bag to store dirty/small stuff and a brand new shopping bag! I used this for my work laptop and decided I needed a smaller one. There are a few flaws: Ink stain inside pouch; drawstrings on water bottle pouches a little worn out and missing grommets All in all in great condition! ~ Water resistant polyester fabric ~Padded shoulder straps ~Yoga mat garage on top flap lets you store you mat vertically ~Padded laptop pocket fits 15" laptop ~ Interior and exterior zipper pockets ~ Two water bottle holders ~Tested to hold 50 lbs ~Dimensions: Backpack - 12" x 6.5" 18" / Pouch - 10" x 7" Comes from a pet and smoke free home and offers welcome!