Keep your CDs safe in these ring binder storage pages. Double-sided sheets hold CDs and DVDs. Made of polypropylene, so your discs easily slide in and out and are cleaned each time. Punched to fit a standard three-ring binder or CD case (sold separately). Media Sleeve Type: Double-Sided Refill Sheet; Media Stored: CD; DVD; Capacity (text): 8; Material(s): Polypropylene.