Provides added protection during handling, storage and transportation; available in letter and legal sizeDesigned to fit in standard file folders. Inserts protect individual items that are grouped in file folders. The buffered folder stock helps prevent acid migration within the folders. 9/16", full-cut tab.Specifications: Acid-free Lignin-free pH 7.5 - 8.0 20-lb. Permalife bond 25% Rag Stock White 3% Calcium carbonate buffer100 per package.Folder options:911A (letter): 9 1/8 x 11 3/4"1014A (legal): 9 1/8 x 14 3/4"