Backpack OZOY Fabric Anti-theft Water Resistant Computer USB Charging Port Lightweight Laptop Backpack Bag Fitting 15.6-inch Laptops Tablets Anti-theft backpack : a hidden zipper and interlayer is fully covered in the back, external dimension: 17 x 5.12 x 12.6 inches with dedicated laptop compartment holds laptops less than 15.6 inch, this design can protect your valuables in safety,Water resistant nylon : outer selection of 600d fabric, 6mm anti-collision sponge layer. This fashion backpack is made of durable waterproof and dust proof nylon and oxford fabric , perfectly protect your items from rain, easy to clean up