Backpack Dimensions: 44CM x 29CM x 15CM (Length x Height x Thickness). Weight: approximately 1.54 lbs. Fabric: Oxford. Closure type: Zipper. Inner Structure: Large-capacity main compartment with a laptop sleeve and two small pockets. Front zipper pocket for easy access to items like napkins and notebooks. Additional small front pocket for quick access to small items. Dual side mesh pockets for water bottles and umbrellas, with adjustable straps to secure them.