... waterproof,shockproof 3.light weight 3.ISO9001:2008 black Oxford computer backpack 1. OXford ,high strength ,and high abrasion ... resistance materials2. Can be used as backpack, or used as handbag3. zipper,reliable quality,running smoothly.4 ... ,conclude the space,aesthetic and practical.6. The inside computer shockproof design,double caring7. The bartack in stress parts ...