Swiss Gear new style classic computer notebook Laptop teblet Daypack Backpack.Solar-Purple Swiss Gear Purple 16" Solar Backpack Shoulder Strap System: Specially shoulder straps are ergonomically designed with added padding for comfort and control. Organizer Pocket: Interior organizer provides divider pockets for pens, pencils, cell phone and CD's. Plenty of pockets to organize whatever you need to carry. Airflow Back System: Multi-panel airflow design provides extra padding for comfort and maximum back support. Water Bottle Pocket: External dual pockets feature elasticized mesh, which expands to secure various size water bottles.