Wrought Iron Powder Coating Process, fully welded construction, high load-bearing capacity, simply fit the castors. Equipped with four 360° rotating silent caster wheels (two lockable), ensuring smooth and quiet mobility even on carpeted or hard floors. Whether used as a classroom book truck, home library organizer, or office file cart, this mobile shelving unit fits seamlessly into any environment with a clean, modern design. Product dimensions: 42×42×120 cm (length×width×height) Enjoy the satisfaction and relaxation of having everything within easy reach; create a reading nook where you can focus, bringing you joy. Functional application: The bookshelf can be applied to a variety of scenarios. It can store books, school bags, clothes and shoes in the living room, bedroom, study and hallway.