Size: 34x46x15cm. Main compartment with padded pocket for laptops up to 15.6″. Large capacity secondary compartment. Internal zipped and mesh pockets. 2-way zips for easy access. Large format front pocket with internal zipped mesh compartment. Hidden anti-theft rear pocket. Ergonomic, padded anti-sweat shoulder straps and back. Rear strap to attach to suitcase handle. Height-adjustable back straps with buckles to keep the backpack close to the body.