A4 Primary Coloured Ring Binder Available in 3 classic colours: Blue, Red, Pine Green This A4 Dark Coloured Ring Binder is perfect for storing important documents and punched poly pocket files safe. This dark coloured edition makes them perfect for professional use at work or the office. Strong polypropelene exterior will protect the contents and features an interchangeable label holder on the spine for easy identification. Features: Slightly larger than A4 size – 320 x 270mm Ideal for A4 and A4+ sized documents. Available in three professional colours: Blue, Red, Pine Green 40mm spine with label holder for easy identification. Standard 2-ring mechanism in strong steel. Contains x1 A4 Dark Coloured Ring Binder. Is A4 the right size for you? Check out our guide for common Paper Sizes Explained