Perfect Inkjet Refill kit is compatible with all water based inkjet printers from HP, Canon, Dell, Epson, Lexmark, Panasonic, Samsung, Sharp, Toshiba, Xerox, Kodak and Konica. The pack contains 2 bottles of 30ml black ink, a pair of nylon gloves, 10ml syringe and instruction sheet. The refill kit gives you the opportunity to reuse your depleted inkjet cartridge up to 10 times. To refill your cartridge, all you need to do is remove your cartridge from the printer, remove the label on the cartridge, withdraw some ink from the bottle using the syringe, insert the syringe into the cartridge through the fill opening and very slowly inject the ink into the cartridge. Replace the label on the cartridge and return the cartridge into the printer.