Exclusive wraparound clear overlay holds standard letter size sheet. Easy-to-customize for presentations or filing-no trimming or fumbling with small spine inserts and separate cover inserts as needed for standard view binders. Leather-like vinyl cover material and hidden rivets for a professional, premium look. SureLock? lockable round rings stay aligned and won't accidentally open or spill contents earning this binder the "Ease-Of-Use" Commendation from the Arthritis Foundation. XtraLife