Levenger Circa Discs - Set of 22, 3-Inch - Black (ADS5035) 3-inch size can hold up to 450 Circa-punched sheets Allows for extra Circa accessories to be added to your notebooks Excellent for archiving--such as service/sales manuals, documents, study materials, flash cards Set of 22 discs Enough discs to accommodate 2 letter-size Circa notebooks, or 2 junior and 2 Circa Jotlet Translucent Notebooks