Repeatedly use our durable metal prongs with your medical charts and office files without worry of breaking of prongs or coming detached from the folder Maintains quality during use for years with our durable paper folders with durable 11 pt blue paper stock and reinforced 1/3 cut top tabs Perfect fit for your standard letter size client files, medical patient files, or office files Perfect for use in a color-coded file system in your classroom, law office, or business office with our bright blue paper stock. Folder Dimensions: 9.5 inch x 11.625 inch