Folders are treated with antimicrobial product protection to resist the growth of bacteria, mold and mildew that can cause stains, odors and product deterioration. Ideal for use where winning the war against bacteria and mold is critical, such as high-traffic offices and government buildings. Use for color-coded filing system with colors in blue, purple, red and yellow. Color speeds filing and retrieval time. Single-ply tab is 1/3 cut in assorted positions. Folders are made of 11 point stock that is acid-free and archival-quality.