NWT Topo Designs 20L Rover Backpack in Slate Blue & Khaki Celestial. Internal sleeve fits most laptops up to 15” Water Repellent Carry on/Travel friendly Drawstring cinch closure on top, with large zippered pocket on the front Expandable water bottle pockets on the sides Dual side compression straps Outer shell is 400D recycled nylon Inner liner is 210D recycled nylon pack cloth 11”w x 17”h x 4.5”d 20 liter capacity