Using high-quality ink makes it uniform and delicate, printing clear and smooth with bright colors. It is no-plugging and has strong compatibility, which doesn't harm printer and restore the original color with true color printing. Before installing the ink cartridge, please turn the ink cartridge upside down and remove the protective clip.The ink is stored in a constant pressure structure to make the ink flow out stably, which means that the printing is stable and consistent. It is made of PVC material. The height of black one is 7.3cm, the length is 5.3cm, and the width is 3cm. The height of blue/red/yellow one is 7.3cm, the length is 5.3cm, and the width is 1.2cm. The black ink capacity is 40ML, the blue/red/yellow ink capacity is 15ML Its applicable models are for HP Officejet 7110 6100, Photo Printer for HP Officejet 6600,for HP Officejet 6700 and Premium 7510 7512 7110 7610 7612. Item Name: Ink Cartridge Material:PVC Size: Black: 7.3cmx5.3cmx3cm/2.87inx2.09inx1.18in Red: 7.3cmx5.3cmx1.2cm/2.87inx2.09inx0.47in Blue: 7.3cmx5.3cmx1.2cm/2.87inx2.09inx0.47in Yellow: 7.3cmx5.3cmx1.2cm/2.87inx2.09inx0.47in Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 X Ink Cartridge