Made of nylon fabric construction with vinyl trim and a water resistant coating. Removable padded laptop sleeve fits laptops up to 15.6". Use the front slip pocket for tablet storage. Exterior front zipper pocket is perfect for quick access essentials. Side pocket offers storage for small items water bottles or an umbrella. Interior has a zippered pocket two slip pockets and a pen sleeve. Retractable SmartSleeve comes out of zipper pocket to fit over upright handles. Dimensions: 20.5" x 12.5" x 7.5".