Size: 31x44x13cm. Lined and padded interior. Large main compartment with 15.6 inches laptop compartment. 2 Compartment large capacity with accommodation for laptop 15.6 inches. USB connector for charging mobile phone or other electronic devices. Side bottle pocket. Hidden zip (anti-theft) on back panel. 2 large front zipped pockets, lower one with internal organiser. Double puller on main zips for easy opening. Adaptable to suitcase handle. Ergonomic padded backrest that adapts perfectly to the back for greater comfort. Ergonomic and padded shoulder straps with breathable mesh.