✅ All about safety and security: Hard shell backpack 15.6-inch laptop bag. This Anti backpack is made with Fabric: EVA + Oxford cloth; Lining: 210D polyester with size of 32*15*44cm Durable, Eco Friendly and large capacity And its with hard exterior ✅ Smart Password security: A hard shell backpack's items can be kept the things safe with Password lock. the backpack has a secret small anti-theft pocket on the rear to keep your valuables things safe from thieves. ✅ Material: Polyester ✅ Care Instructions: Hand Wash Only. ✅ USB and Aux Port: USB charging Port and Aux port with protected cover while you can use this smart backpack to charge your phone and use Aux port for calls and Music while walking. ✅ Usage: can be used for Business, Travel, Sport and office Purposes and its suitable and designed for both males and females ✅ Password Change: the default password is 000 you can change it by Holding the locker button until you set the password and then release the locker button. ✅ Internal structure: The backpack has Cup seat, laptop compartment, IPAD compartment, clothes fixed etc .Variety of compartments are very easy to accessible and keep your things organized and safe. ✅ Closure: Zipper