Alter business backpack with USB connector Concise design, excellent capacity and comfort are not all the advantages of the Alter backpack. It is equipped with an external USB output (inside the backpack there is a cable for connecting to the power bank) for easy recharging of mobile gadgets and accessories on the go. There is a wide luggage strap on the back for attaching to the suitcase handle. For your convenience, all the pockets of the backpack are thought out to the smallest detail: an external pocket on the back - for a passport, phone or keys; there is a pocket inside that easily fits a tablet or laptop up to 15.6 inches and two more internal pockets. The backrest has a mesh and soft surface that allows air to pass through and prevents back fatigue. Top handle - made of artificial leather. The backpack is made of modern, durable and wear-resistant materials: - 210 D nylon with PU lining (water-repellent and waterproof outer material with protection against rain and splashes), - 210D polyester (inner material) Easy to carry up to 15 kg - Care recommendation: only gentle hand wash up to 30˚C Size: 300 × 440 × 120 mm, Weight 695 g Backpack volume: about 23 liters Suitable for laptops up to 15.6 inches Packing: Transparent film