1、[Smooth Ink Output] This ink cartridge can print clearly, increase the fluency of ink output, improve the printing effect and printing life, and ensure the accurate quality of the card position. 2、[Permanent Chip] The ink cartridge is equipped with a stable permanent ink cartridge compatible chip, which is stable and compatible with the printer, and can be continuously used for many times. 3、[Good Airtightness] The inside of the ink cartridge is a PP ink bag structure to ensure a good air seal, no ink leakage, and smooth ink supply. 4、[Environmental Protection Material] The cartridge shell is made of durable and environmentally friendly PP material plastic parts, the ink supply is stable and smooth, and the color is bright. 5、[Wide Application] Can be used to print photos, test papers and documents, and is a must for students and office crowds. 4 x Ink Cartridge4 x Rubber Ring Item Type: Ink CartridgeMaterial: PPApplicable Scenarios: Printing photos, printing test papers, printing documentsColor: Black, blue, red, yellow