Product name:KSUMEI GI20 Printer Cartridge refill ink 4pcs kit for Canon Color parameters:Black/Cyan/Magenta/Yellow Volume:Black=170 ML Cyan/Magenta/Yellow=70ML Compatibility Model:replacement for Canon PIXMA G5020/G6020/G7020 Mega Tank printers. Using tips? 1. When choosing compatible ink, it needs to match with the above-mentioned type of printer. It can not be mixed, otherwise it may cause color distortion. 2. This ink is not edible, do not place in the children can reach the place, in order to avoid ingestion. Maintenance recommendations: 1. Canon compatible refill ink shelf life is generally two years, ink storage requirements sealed, avoid direct sunlight, temperature should not be too high or too low (normal room temperature can). 2. Ink should be stored in a cool and backlit place, in cartons or containers of other materials, and stored separately to avoid debris accumulation and damage caused by overloading. 3. Ink composition is particularly volatile, ink must be sealed and stored.