The surface of the inner bag is made of high-density oxford cloth and filled with polyester foam padding layer, which can absorb shock and shock and protect your device from dust, dirt, bumps, bumps and accidental scratchesThe zipper on the top opening slides the opening smoothly for easy access to the device. Slim and lightweight, it doesn't make the device bulky and slips easily into a briefcase, backpack or other bag.Laptop cases are perfect for men and women business trips, travel, school, office and more for everyday use.