Package Contents: 10-Pack (Black) Compatible Dell 1130 30-9523 7H53W Printer Toner Cartridge High Page Yield: Up to 2,500 Pages per 1130 30-9523 7H53W Black Toner Cartridge, at 5% coverage on A4 paper. Provide high quality: Clear print, long time without fading, High efficiency printing, High page yield, Saving money. Products suitable for Schools, Hospitals, Government Departments, Companies, Families, etc. Compatible Printers: Dell 1130 1130n 1133 1135n Printers 100% Quality Guarantee: Any product problem, feel free to contact us via email, and we will provide best solution for you.full refund for defective items