Constructed for long-term preservation of important documents. Acid- and lignin-free, EverFileï¿½ stock remains chemically stable for 50+ years. Antimicrobial coating resists mold, mildew and associated odors. Subdivide and organize documents with 2" capacity fasteners. 11 pt. Manila stock. File Folder Type: Antimicrobial; Top Tab; Size: Letter; Folder Material: 11 pt. Manila; Color(s): Manila.