Lexmark Twin-Pack #34, #35 Black and Color High Yield Print Cartridges . Printing colours: Black, Compatible products: Lexmark P4330 Lexmark P4350 Lexmark P6250 Lexmark P6350 Lexmark P915 Lexmark X2500 Lexmark X2530, Printing material shelf life: 2 year(s). Package weight: 150g, Package dimensions (WxDxH): 178 x 165 x 38 mm. Package dimensions (W x D x H): 177.8 x 165.1 x 38.1 mm (7 x 6.5 x 1.5"), Package weight: 0.15 kg (0.33 lbs)