Features: Material:PVC Size:9x10x5cm Volume of Cartridge: 50ML Line Length: 1m Note: 1. Balance Bottle and ink should be in the same horizontal plane. 2. There is two holes on the ink cartridge， one is refilling hole(big)， another is air hole(small). Open the air hole when using， which can avoid the problem of jamming ink. 3. Ink cartridge and printer should be in the same horizontal plane. 4. Adding ink to the printer when the warning appeares. 5. Keep ink flowing in the link. Or it will influence the quality of print. Package Included: 1x 4 Colors Ink Cartridge 1x Line 4x Color Code 4x Color Plug 4x Ink Cartridge Elbow 4x Hollow Rubber Plug