General Supply TN-29K black toner cartridge, reusable and environmentally friendly. - Brand: General Supply - Model Name: TN-29K - Color: Black - Product Name: Toner Cartridge I also have magenta, yellow, and blue toner cartridges for sale. For single-color purchases, they will be shipped as is. For two-color purchases, they will be placed in a cardboard box. For purchases of all four colors, they will be shipped in cardboard boxes with two colors each. I purchased these as spares from Askul but did not use them.