Universal Rolling Cart and Organizer Bag is the perfect solution for carrying school supplies, files, classroom equipment and more. Double rails lock the sides securely in place to prevent items from falling out. The telescoping handle extends to 23" from the cart and locks in three positions for easy mobility on rubber wheels. The saddlebag-style canvas cover has more than 30 storage compartments with zipper and hook-and-loop extensions to efficiently manage your supplies. The cart accommodates letter/legal-size folders, hanging files, and binders.