STM Summary STM-114-168M-01, Carrying Case 13", Black, Usage Notebook, Polyester, Reverse Coil Zippers, Durable zipper pull for long service life, Water Repellant Fabric, Slim and light protective design, Internal document pocket for essential paperwork. Take the best elements of our bags-a padded interior that protects from knocks and bumps, surrounded by a water resistant exterior-and fashion them into a piece only for your laptop.