a loose leaf page for selectively storing four compact discs on each side of the page , or for storing two cds and associated printed and graphic information on each side of the page . a flexible , plastic , two - sided , loose leaf page includes four cd storage pockets per side of the page , and includes a hole pattern that facilitates releasably mounting the page in a standard cover - size 1 - inch , 1 1 / 2 - inch or 3 inch three - ring binder notebook , certain embodiments also facilitating mounting of the page in a three - ring chicago - posted binder . in order to prevent interference between two cds that reside closest to the binder rings when a user manually leaves through binder pages , the page includes a six - hole pattern , or a three - hole / three - notch pattern , that is configured to ensure that a vertical pivot line , or binder edge , on the page being turned moves past the vertical leading edge of the three rings , and then moves backward under the three rings . the cd storage page includes two outer transparent polypropylene layers and an inner layer that is constructed of soft nonwoven polypropylene .