Description: Advantage: 1) Portable liner bag, light and thin, practical, not easy to deform; 2) Foldable three-fold bracket type inner bag, scientific perspective, and convenient for laptop heat dissipation; 3) The folding surface cover is attracted by a strong magnet, which is not easy to open, and it will not collapse when placed horizontally and vertically; 4) It can be hand-held design to prevent the notebook from slipping off, making it portable when going out; 5) The pen case design at the end of the inner bag can be inserted into office pens, and the multi-functions are in one bag; 6) Contains a four-piece set: a charger bag, a winding belt, a mouse bag, and a notebook liner bag." Specification: Material pu leather Color: black, red, brown, dark green Size: (inner bag length * width, excluding the size of the cover when unfolded) 11/12 inch: 30.8*21.2CM; 13 inch: 34*25CM; Package Included: Pack the charger bag*1 Winding tape*1 Put mouse bag*1 Notebook liner bag. *1 Portable liner bag, light and thin, practical, not easy to deform Foldable three-fold bracket type inner bag, scientific perspective The folding surface cover is attracted by a strong magnet