Sheet protectors for documents, made of transparent plastic material, with dimensions of 30x21 cm, with a thickness of 60 microns, with 11 holes on the side of the sheet, that allow the binding of documents in metal ring folder binders. The sheets are used for storing and organizing various documents in offices, archives, schools or other institutions. This product is suitable for use with A4 format documents and with ring folder binders (63063, 63080, 63066, 63070, 63068, 63069, 52347, 55371, 55346, 55376).