VICTORIACROSS laptop Backpack Designed for computer macbook tablet Water resistance Shoulder Strap System: Specially shoulder straps are ergonomically designed with added padding for comfort and control. Unique quick recognition window design accommodates most 12-15 inch laptops. Water Bottle Pocket: External dual pockets feature elasticized mesh, which expands to secure various size water bottles. Airflow Back System: Multi-panel airflow design provides extra padding for comfort and maximum back support. 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.