1. Made from durable plastic sprayed iron rod for long-lasting use, ensuring confidence in its durability and wear resistance. 2. Easily move the bookshelf with 360° rotating wheels; lock two wheels to secure the book cart in place. 3. Integrated handrail design with a smooth arc corner and 85° tilt angle to prevent books from falling off. 4. Versatile storage with adjustable side gear lever, high spacing, and various angles for placement. 5. Suitable for a wide range of settings including classrooms, libraries, offices, meeting rooms, and bedrooms.