Includes 50 letter size (11-3/4" W x 9-1/2" H) expanding manila file jackets with full height sides for document security and reinforced straight-cut tabs for extra durability Each top tab file jacket has a 2" expansion capacity and is enclosed on three sides to keep your files and papers secure, and prevent them from shifting or becoming disorganized Durable, reinforced tabs maintain their shape for frequently used files, making these file jackets great for taking documents out of the office for presentations, meetings or to work on at home