Florence 8.5"x11" Super Clear Archival Sheet Protectors 10 Pack Super Clear Archival-Grade Sheet Protectors With Industry Standard Hole Spacing For Multi-Ring Presentation Cases, Portfolio Books, and Binders - Compatible With Florence, Alvin, and Prat 8.5"x11" Presentation Products Each Page Protector Includes a Black Acid-Free Liner Sheet Which Provides An Attractive Background for Artwork Smaller Than The Sheet Size Pack Includes 10 Sheet Protectors - Insert Your Artwork Back-To-Back To Display Up To 20 Images Pages Are Ultrasonically Welded On Three Sides With Opening On Top To Prevent Artwork From Falling Out Fits Artwork, Photos, Drawings, and Documents Up to 8.5"x11" Paper Size - Additional Sizes Available