The z0713 is a stunning backpack for your 173 laptops a lightweight and compact classically styled backpack in 900 x 1200d polyester with contrasting lining and accents with foam protection for your laptop 2 large zipped pockets a pocket for your mp3 player with techairs m port so you can listen to your music on the move and lots of space for all those documents and files features colour black 1 compartment 2 zipped pockets showerproof high grade 900 x 1200d polyester adjustable