CoolBELL Unisex Nylon 15.6 inch Laptop Backpack with USB Charging (Black) ➧ PREMIUM MATERIAL: This multifunctional backpack is made of high quality water resistant Nylon material.. Premium quality, durable, smooth pullers and sealed zippers. ➧ ORGANIZED DESIGN: Two well arranged spaced compartments. One compartment with soft cushioned sleeves to carry a Laptop, Tablet, iPad. Spacious enough to store documents and office accessories. Another compartment comes with organizer and zip pocket to store clothings, power bank, mobile and short business trip necessities. Front pocket to hold diary or other necessary documents. Side pockets for folding umbrella and waterbottle etc. ➧ STORAGE: The total capacity of the bag is 24 liters; Weight: 990 grams; Dimensions: 31 cms x 17 cms x 46 cms (LxWxH) ➧ USB FEATURE : External USB port with built-in charging cable enables convenient charging by connecting your power bank with your electronic devices. ➧ TROLLEY STRAP : The insertible pull rod box design allows the bag to slide over the luggage handle for easy mobility during traveling. Comfortable airflow ergonomic back design with soft padding gives you maximum back support.