These are open box with the factory sealed and factory foil Black was opened briefly for testing and returned to foil and resealed.The product is a genuine 4-pack of Brother TN223 toner cartridges. Designed specifically for Brother printers, this pack ensures high-quality printing performance. With the Brother brand guaranteeing compatibility and reliability, users can trust in the quality of their prints. Perfect for those looking to maintain their printer's efficiency and output sharp, professional documents.