Key features:\n- New spherical toner produces exceptional print quality providing clearer and sharper text and images \n- Purchase all four colour toners in one box for easy consumables management \n- Contains C, M, Y, K cartridges with enhanced spherical toner for quality output \n- Designed specifically for use with Oki's colour printers \n- Up to 15,000 pages A4 at 5% density per colour