4 in 1 18-inch size wheeled backpack set with pocket

4 in 1 practical backpack with wheel set, with extra pocket space, perfect for organizing books, lunchbox, and tools. Versatile 4 in 1 set with an additional front pocket for quick access to items such as snacks or small supplies. The trolley function allows children to roll instead of carrying, reducing physical strain. Large storage capacity accommodates school books, files, and school documents easily. Durable fabric withstands school use and daily travel. Practical design perfect for school, trips, and after-school activities.