This vintage IBM Data Processing 1" 3 Ring Black Vinyl Binder is a must-have for any vintage computing collector or enthusiast. Made in the 1980s, this binder is a durable and classic accessory for storing your important documents, notes, or even vintage computer manuals. The black vinyl material gives a sleek and professional look, while the 3 ring design allows for easy organization and access to your materials. Perfect for adding to your vintage computing collection or for daily use in the office.