kopack 17 Inch Laptop Backpack Water Resistant/USB Charing/Anti-Theft Shockproof Slim Travel Computer Back Pack for College Business Grey Black Features & details 【Slim Design & Super Organizer 】 Slim square outlook matches business-casual clothing perfectly. 17 slots offers you a fantastic experience. Say goodbye to dig around in bag, every gadgets will be organized. Laptop compartment: 42.5*29cm /16.7*11.4“ holds 16 most 17" thin laptop NOTE: Measure your PC to judge if fit, Not fit for thick gaming-laptop 【Anti-theft Hidden Laptop Zone】 Separating type laptop compartment design hidden in the back of the backpack provides easy access to the laptop directly without showing your personal items in public; Zipper can be locked to D shape ring to keep laptop privacy. (Lock Not Included) 【Detachable USB Cable】 External USB port with cable is convenient to charge phone/tablet/other devices with your power bank inside. Better for cleaning backpack, won't get usb rotted, replacing the cable by removing the built-in cable.(Power Bank Not Included) 【Anti Thief Dual Layer Zipper】 The anti-puncture 4 tooth zipper of the main compartment provides double anti-theft protection with lockable zipper provides super travel safety to you. Perfect for business trip/weekend getaway or heading to the office/school/home. 【Quality Material】 Upgraded fabric with excellent texture, featured with durable tear-resistant water resistant oxford for unexpected rain, wipe in 5 minutes, no mark left. High elasticity sponge padded shoulder straps and shockproof back offers extra back support and comfort.