FENRUIEN 17.3-Inch Hard Shell Laptop Backpack,Anti-Theft Waterproof Business Travel Computer Backpack,Black Gaming Laptop Bag with USB Port for Men

[ ALL-ROUND PROTECTION ] : FENRUIEN anti theft backpack is made of special ratio PC&ABS hard shell and high-density waterproof oxford on the outside, shock-absorbing RB wave point cotton and tear resistant polyester on the inside, and equipped with SBS brand water resistant coating dual zippers
[ TRIPLE ANTI-THEFT ] : Unique double layer TSA smart customs lock design can protect the security of the items in the hard shell backpack. With a hidden anti theft pocket on the back of the TSA laptop backpack protect your valuable items from thieves(Please don't set a password before reading the instructions)
[ MULTI-COMPARTMENT ] : Dimensions: 18.9 x 12.6 x 6.3 inches, capacity: 25L. Roomy main compartment fits books, files, chargers, keys, daily carry stuff and so on. Separate shock absorption padded computer compartment fits most laptops up to 17.3'' ( Laptop pocket size: 17.3 x 11.6 x 1.6 inches)
[ COMFORTABLE & BREATHABLE ] : Adjustable S-shaped padded shoulder straps and anti-slip chest strap can relieves the stress of your shoulder. 3D honeycomb breathable back pad has good heat dissipation properties to keep your back dry and cool in summer
[ USB INTELLIGENT DESIGN ] : External USB charging port with protective cover and built-in charging cable. This smart backpack is very suitable for you to charge your phone while walking (The cable is non-removable, power bank is not included)