KOPACK Slim Business Laptop Backpack USB Anti Thief/Tear Water Resistant Travel Computer Backpack 15.6 / 17Inch 5Color Magenta/Black/Grey/Purple Anti-theft Laptop Zone Laptop Backpack with Hidden 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 USB charging backpack with charging cable is convenient to charge smart phone/tablet/other devices. Better for cleaning backpack, won't get usb rotted, replacing the cable by removing the built-in cable. (Power Bank Not included) Super Organizer Commuter Pack The thoughtfully designed with 17 slots offers you a fantastic experience. Say goodbye to dig around in bag, every gadgets will be organized. Size: 18.1 x 11.8 x 6.3", Laptop slot: 15.3 x 10.2" (Measure your PC to judge if fit), holds 15 most 15.6" laptop, not fit for gaming laptop Comfortable back support systemErgonomic design of S-shape padded shoulder straps and padding back design, made from high elastic and breathable sponge and fabric, equipped with ring type adjustable hasp, adjust the strap length freely, reduce the burden of weight, protect the back and shoulder effectively, more comfortable for your life. Quality Material Textured durable tear-resistant water resistant oxford for unexpected rain, wipe in 5 minutes, no mark left. High elasticity sponge padded shoulder straps and back offers extra back support and comfort. The anti-puncture 4 tooth zipper of the main compartment provides double anti-theft protection Size: fit for 15.6/17/17.3in laptop/macbook Color: Black/Grey/Magenta/Purple Gender: Women/Men/Student Application: School/Business trip/Working/Weekender trip