Description: Product Size: Simple and stylish travel computer backpack, length x width x height 33cmx20cmx50cm/12.99inchx7.87inchx19.69inch.Portable Backpack: Rolling backpack with a removable trolley, sturdy handle and adjustable shoulder straps, can be pulled by the pull rod, carried on the back and carried by hand, easy to carry and labor saving.Premium Material: The wheeled laptop backpack is made of premium nylon material, wear resistant and water resistant, has firm stitching, is sturdy and not easy to tear, and ensures a long time to use.Large Capacity: The trolley suitcase bag has multiple compartments and pockets, keeping your items organized and easy to find, Smooth zippers, are easy to open and close.Wide Applications: Practical rolling backpack, can be used as a computer bag or carry on luggage bag, suitable for business, travel, overnight, camping, etc. Specification: Material: Nylon Size Chart: 33cmx20cmx50cm/12.99inchx7.87inchx19.69inch Package Includes: 1 Rolling Backpack Note: Please allow slightly errors 1-2cm differences due to manual measurement.