Swiss Gear SA3103 TSA Friendly ScanSmart Computer Backpack, Upto 15-Inch Laptops, Blue/Gray Padded Laptop Sleeve Accommodates Most 15 Inch Laptops Padded Accessory Pocket Airflow Back System Ergonomically Designed Shoulder Strap System Dual Water Bottle Pockets Audio Interface Internal Pocket with External Headphone Port Organizer Pocket Sunglass Holder