Yellow one does not have seal but has not been used based on product weight see pictures The product is a genuine Canon CLI-281 XL ink cartridge set in black, cyan, magenta, and yellow colors. Specifically designed for Canon printers, this original print technology ensures high-quality inkjet printing. Made in the United States, this cartridge set is compatible with models like Canon Pro-100 and PIXMA iP8750, providing reliable and consistent results for your printing needs.