Keep your office file system organized with these interior file folders. The convenient dimensions work with standard-size documents for protection against potential damage, and 1/3-cut tabs provide ample space for subject labels. These TRU RED letter-size manila interior file folders come in a convenient 100-count box to accommodate your office's growing paperwork handling and filing needs. 3. 5" long and 1" high tab. Letter-size folder easily holds important files. Comes in manila color and is made of 11 pt. paper stock for durability. 100 folders per box. Three 1/3-cut assorted-position top tabs allow for ample space for labeling to keep your files organized. Create dedicated storage for important paperwork with these TRU RED letter-size manila interior file folders.