Description: Portable: The rolling backpack with telescopic trolley, sturdy handle and adjustable shoulder strap, can be pulled by the trolley and carried on the back, which is convenient and labor saving to carry.Durability: The wheeled laptop backpack is made of quality Oxford cloth material, which is wear resistant and waterproof, with firm stitching, sturdy and not easy to tear, ensuring long term use.Multiple pockets: The trolley luggage bag has multiple compartments and pockets to keep your items organized and easy to find, and the zipper is smooth and easy to open and close.Large Capacity: This hidden pull rod rucksack measures 50cmx34cmx22cm, providing ample storage space for all your travel essentials.Wide Application: The rolling backpack can be used as a computer bag or a carry on luggage bag, suitable for business, travel, overnight, camping, etc. Specification: Material: Oxford cloth Size Chart: 50cmx34cmx22cm/19.69inchx13.39inchx8.66inch Pole Length: 40cm/15.75inch Package Includes: 1 Rolling Backpack Note: Please allow slightly errors 1-2cm differences due to manual measurement.