Large Capacity The outer dimensions are 19.7 x 13 x 10.2inch(50 x 33 x 26cm),the backpack has one separate laptop compartment that can hold any laptop up to 17.3 inch and 12.9inch ipad. the main Compartment is filled with clothes and other itemsOrganizer Pocket Put pen, sunglasses, keys, passport and other itemsThe side pocket can also hold water cups and umbrellas. Everything can fit into a backpack, freeing your hands. USB Charging Port Desginexternal USB port with set-in charging cable offers convenient charging your cellphone.The bulky power bank can be put directly into the backpack, without holding the charge in your handThe product does not include a power bank/Battery Pack Comfortables and DurableReinforced Dual Top Handles & Widen Padded Shoulder Straps for optimal comfort and ergonomic supportAdjustable Sternum Strap & Breathable Mesh Back Panels for secure and comfortable carrying. Luggage Strap for easy access to suitcase rails. Its a great traveling lapto