SwissGear SA9360 Backpack (Black) Padded Laptop Sleeve: Elasticized compression strap and padded sleeve secure laptops up to 17" in size Shoulder Strap System specially contoured shoulder straps are ergonomically designed with added padding for comfort and control. Features a removable mobile phone case Airflow Back System: Multi-panel airflow design provides extra padding for comfort and minimum back support Strap Headphone Port: Backpack strap headphone port integrated with interface audio pocket for convenient music playback