SKILCRAFT File Folders, Red, Box Of 100, (AbilityOne 7530-01-566-4146) - File folders are made of 100 percent recycled material with a minimum 60 percent post-consumer material. Letter-size file folders are made with a water-based adhesive and chlorine-free process to protect the environment from harmful chemicals and exceed Executive Orders 13514 and 13423. Design also features double-ply top tabs in assorted 1/3-cut positions and 11 point, acid-free stock.