Shelf file features a spacious 3/4" wide x 8-3/4" high tab along the side of the folder for eye-catching labels. Flexible tab allows standard letter-size or legal-size storage. Front construction is made of a 32 point red wallet. All manila back is made of more 34 point acid-free manila stock for extra durability. Mylar-reinforced Tyvek gusset is 6-1/2" high. Shelf file is ideal for large government proposals or storage and filing of depositions.