Anti Theft Travel Backpack WaterResistent Anti-Theft Design (Backpack with thick wall protection) Weight Balance Design, makes you feel less weight up to 20% Elastic bandage on the back, which you can attach the bag on your suitcase Night safety. Reflective illuminating stripes improved the road security while cycling at night. Advance storage with 7 compartments to make things organized inside. Water repellent fabric Shock-proof,Anti-Theft backpack Can storage 15″Laptop or 17″ Laptop, iPad, stationary items, books, clothes, thermos bottle, powebank charge etc. Package does not included laptop and other accessaries