Targus GRID Advanced Backpack for 16-Inch Laptops, 32 Liter Capacity, Black (TSB849) 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 zipper and poly-coated base Extra-large 32 liter storage capacity for work or weekend Aerated mesh padded back and adjustable shoulder straps Hidden stash pocket doubles as lumbar support