Black/Gray 15.6 Inch Laptop Waterproof Travel Backpack with 。NEW Laptop 15.6” Laptop Bag USB Port Waterproof Travel Backpack Black Total 4 compartments: 1 separate laptop compartment, 1 main compartment and 2 front compartments provide multi-functional for your computer, A4 folder, books, clothes, etc. The dedicated laptop compartment fits up to 15.6’’ laptop, come with a elastic strap can offer the optimal protection for your laptop. Tablet slot fits 13.3’’ laptop, 12.9\" iPad. Great idea for someone with multiple electronic devices. With a luggage strap on the back, it allows the backpack to securely fit on the handle of a rolling suitcase - ease the burden in your journey. Back hidden pocket sits up against the wearer’s body. It’s difficult to steal your valuables without you feeling it. Let\'s travel. USB CHARGING PORT – With inside charging cable and outside USB port, the backpack provides a more convenient and easier way to charge your devices. No need to keep power bank on the hand, make life easier DURABLE & WATERPROOF – LOVEVOOK backpack made of high density nylon fabric, the treated material makes the backpack stronger and water resistant. Lightweight: 1.82lb. Size: 11.5\"L * 17\"H * 7.2\"D.