Safe and secure! When it comes to security this binder has got it covered with locking No-Gap round rings that stay tightly closed without gaps. Pocket Guards hold papers securely and prevents them from falling out of the binder. PVC-free. Capacity Range ("): 0 in - 3 in; Sheet Capacity: 480; Color(s): Black; Binder Sheet Size: 11 x 8 1/2.