Refillable ink cartridge for canon 7240 and 7250. Using refillable cartridge saves you 95 percent of your printing expenses compared to usage the regular ink cartridges in the market. Refillable cartridge (rc) is made the same as the original cartridge but rc has a big opening where u can pour ink to refill the cartridge once the ink in the cartridge is finished. The refillable cartridge is permanent for u can use it as many times as u want. You never need buy cartridge again, you only need to buy ink to refill the cartridge. Saves 90 percent cost for you for more information call Chinyere on 07063636774 or at Inksystem nigeria ltd at no 12,Simbiat Abiola way Ikeja,computer village Lagos. .