FeaturesNylon, fits up to 15.6" laptopMulti-Pockets, with USB port, special safe phone-pocket on the back, trolley sleeveComfortable padded strap, breathable and adjustable, airflow back design with thick and soft paddingWith an anti-theft pocket on the back, protect your valuable items from thieves, near the USB port, you can put your cellphone in when chargingDimensions: 16"L 12"H 5.5"D, Weight: 2lb.