C-Line 12-Pocket Bound Sheet Protector Presentation Book, 24-Page Capacity, For 8.5 x 11-Inch Inserts, Black (33120) Features twelve bound-in clear top-loading polypropylene sheet protector that lie flat while the book is open Storage pocket on inside front cover holds extra materials Clear-view spine insert is reversible for instant customization or visit c-lineproducts.com to create your own spine insert Holds up to 24 pages Acid-free, archival quality