Targus GRID Essential Backpack for 16-Inch Laptops, 27 Liter Capacity, Black (TSB848) Military grade drop protection survives up to a 4-foot drop Padded inner vault keeps your 16-inch laptop suspended and safe from impact 360-degree memory foam shell absorbs shock Convenient exterior water bottle pocket; reflective accents increase visibility and safety Weather resistant poly-coated base Large 27 liter storage capacity Comfortable mesh padded back and adjustable shoulder straps Hidden stash pocket doubles as lumbar support