Color coordinate your files for easy recognition Use color folders with tabs to code your filing system. Superior strength for heavy usage. Made of 11-pt stock with 1/5-cut poly tabs. Greener choice – contains a minimum of 10% postconsumer recycled content. SFI Fiber-Sourcing Certified. Smead Hanging File Folders part of a large selection of office supplies. Smead(R) Color Hanging Folders, Letter Size, Gray, Pack Of 25 is one of many Hanging File Folders available through Office Depot. Made by Smead.