This backpack has smooth zippers on the back side. Once pull on the intelligent zipper, the invisible compartment will show up and equipped with extra 50% of space. The back sleeve design allows the backpack to slide over the luggage handle for easy mobility during traveling. It has anti-theft design. An invisible zip pocket on the back to place your iPhone, keys and wallet conveniently. It is water resistant. This backpack is made of water-resistant microfiber leather and durable ballistic nylon materials. Roomy backpack (11.8’’ L * 5.9 ‘’ W * 17.3’’ H) with laptop compartment (lined with soft flannel) protects 15.6’’ Laptop and iPad.
