Navitech Premium Executive Genuine Leather Case Sleeve for Samsung NP900X3B Series 9 Notebook Ultrabook - Black This case is made of 100% genuine leather for a smooth crafted design that naturally folds round your samsung 9 series and contains a soft suede interior keeping your samsung 9 series secure and protected. The case has been designed with portability in mind, keeping a slim light build while maintaining protection for your expensive samsung 9 series. This case has been built to hold the samsung 9 series at all times with spaces for the air events so as not to let the Acer Aspire S3 over heat, and allow you to charge your notebook or sync a device at any given time.