Material - Outer: Oxford fabric for durability - Lining: Polyester Size and compatibility - Dimensions: 11.8 in L x 5.9 in W x 16.9 in H (30 x 15 x 43 cm) - Laptop compatibility: fits up to 15.6 inch laptops Organization and pockets - External pockets: 1 front zipper pocket, 2 side mesh pockets - Internal pockets: 2 open wall pockets, 2 pen pockets, 1 mesh pocket - Laptop protection: 1 padded laptop sleeve that fits up to 15.6 inch laptops USB port design - Built-in detachable USB and headphone ports with extension cables - Allows charging of devices by connecting your own power bank Practical use scenarios - Daily commute: carry a 15.6 inch laptop, documents, and essentials with quick access to a front pocket and side mesh holders - School or office: organized interior pockets for pens and small items, plus a padded laptop sleeve for protection - Travel or on the go: compact, carry-on friendly size with a built-in USB charging option for convenience during transit Key benefits - Durable construction with Oxford outer fabric and Polyester lining for long-term use - Secure fit for notebooks and devices up to 15.6 inches with dedicated padded laptop compartment - Thoughtful organization with multiple internal and external pockets to keep items orderly and accessible - On-the-go charging capability using your own power bank, via USB and headphone extension options This bag provides a reliable blend of protection, practicality, and charging convenience while maintaining a professional, straightforward design.