About the 14 L: Full expansion zipper RFID safe interior pocket Magnetic water bottle pockets Six interior open mesh pockets Vertical luggage pass through strap Capacity: 14L - 21L (expanded) Outer Dimensions: 17.5' H x 11' W x 5.5'- 8' D Laptop Pocket: 14.5' x 10' x 1.5' Waist straps not included Materials: Face coated nylon and polyester materials YKK + Zoom zippers Hypalon zipper pullers Foam padded back panel Nylon webbing Mesh pockets Polyester liner Structural foam panels Includes: Travel pack Sunglasses case Retractable key leash