Color: Black, Camel, Green, Red, Gray, Dark Blue, Rose GoldSize: (inner bag length*width, excluding the size of the cover when unfolded) 11/12 inches: 32*23.5CM; 13 inches/14 inches: 33.8*25CM; 15.4/15.6/16.1 inches: 38.5*28CMMaterial: PUWeight: 342g, 381g, 440gadvantage:1. Portable inner bag, thin, practical, not easy to deform;2. The foldable three-fold bracket-type inner bag protects the spine from a scientific perspective, and at the same time facilitates the heat dissipation of the laptop;3. Strong magnet adsorption at the folded surface cover, it is not easy to open, and it can be placed horizontally and vertically without slumping;4. Velcro, portable design, prevent the notebook from slipping, and portable when going out;5. The pen cover at the end of the inner bag can be inserted into the office pen, and the functions are integrated into one bag;6. Contains four sets: charger bag, cable wrap, mouse bag, notebook liner bag.