Levenger Circa Discs - Set of 22, 1/4-Inch - Black (ADS3260 BK) Set of 22 discs, enough for 2 letter-size notebooks or 2 junior-size notebooks plus 2 Circa Jotlet Translucent Notebooks Add, remove or rearrange pages with trademark Circa flexibility Discs hold up to 50 sheets of paper Inner diameter of each disc is 1/4 inch Durable plastic; Great for presentations and reports