KAKA Men Laptop Backpack Royal Oxford School Bag for Boys Travel Backpack for 16-Inch Laptops External Dimensions:18.1" H x 5.7" D x 11.4 " L ; Capacity: 40L Main compartment with double-zipper closure;Notebook compartment(fits up to 16 inch laptop) ; tablet PC compartment ; certificate pouch; mobile phone pouch; wallet pouch; water bottle holder 3D ergonomic back design,use Airmesh material for comfort and stability; Comfort " S " shoulder straps Durable Abrasion Resistant Metal Zipper Available in fashion style, convenient to use; Durable backpack/daypack for school use or everyday outings Warranty: All of our bags have 1-YEAR WARRANTY. Any problems with your bags, please don't hesitate to contact us. We are going to resolve it with great passion.