Business Source Nonglare Toploading Sheet Protectors 11 Height x 9 Width 33 mil Thickness For Letter 8 12 x 11 Sheet Rectangular Nonglare Polypropylene 50 Box Durable, toploading sheet protectors hold lettersize inserts without punching Printed materials do not stick or lift off this specially formulated, polypropylene material Nonglare design features a reinforced strip at binding edge and threehole punched sides Diecut corners on ring side allow pages to turn freely Oversized ring binders and indexes are sold separately