Book organizer keeps your entire book library accessible and portable. Divided bins feature front-facing label holders for a perfect way to categorize and display your books by subject matter or reading level. Casters allow you to easily move this organizer from room to room and lock for stability. KYDZSafe rounded edges allow children to play safely without getting hurt by sharp edges or corners. Dowel-pin construction prevents weakening at the joints, where most of the stress occurs. Ultraviolet acrylic coating is durable and resists yellowing over time.