a Computer Backpack Rucksack is a Backpack Rucksack Specifically Designed to Carry a Laptop & Related Accessories. Computer Backpacks Are Usually Designed with Comfort & Convenience in Mind, with Comfortable Shoulder Straps & Back Padding to Reduce Pressure While Carrying Them. in Addition, Some Computer Backpacks Are Equipped with Multiple Pockets & Organizational Functions, Which Can Store Documents, Chargers, Mice & Other Accessories, Making Your Work & Travel More Convenient. & It has a USB Charger Jack. Various Styles. Various Styles & Rich Colors to Meet the Personalized Needs of Different Users. The Product Size is 11.5*4.7*16in, & the Size Can Also be Customized According to the Customers Needs.