These durable metal prong pressboard classification folders are made to stand up to repeated use when securing medical charts and office files, so you never have to worry about prongs breaking or becoming detached from the folders. Each red classification folder works perfectly for storing hundreds of bulky files and papers, thick pressboard, sturdy kraft paper dividers, a roomy expanded spine to accommodate your paperwork. Ideal for quickly and easily organizing standard letter-sized client files, medical patient records, general office documents, these red folders are great for color-coded filing systems in classrooms, law offices, corporate workspaces. They feature a 1/3 cut top tab for labeling and multiple internal dividers that expand to hold far more paperwork than standard 4 or 6 section folders.