Locking round-ring binder opens and closes with the touch of one finger. Lock instantly engages when closed, eliminating two-handed, two-step operation. Extra-strong One-Touch Easy Open rings received "Ease-of-Use" Commendation from the Arthritis Foundation. Heavy-duty construction with wrinkle-resistant covers equals lasting durability. Design also includes heavy-duty vinyl. chipboard. four nonstick organization-friendly pockets. and a label holder on spine for easy identification..