Feature 1APPLICABLE MODEL: Our toner cartridge is suitable for Color imageClass MF640C, MF641Cw, MF642Cdw, MF643Cdw, MF 644Cdw, MF645Cx, for LBP621Cw, for LBP622Cdw, for LBP623Cdw printers. Check the model for better fit! 24 COLOR: There are 4 toner cartridges in the package, 1 black, 1 cyan, 1 yellow, and 1 magenta, 054h toner cartridge, suitable for long term use. 3PAGE YIELD: Black cartridge is capable of printing up to 3100 pages with 5% coverage on A4 paper. And color cartridges 2300 pages. 4ABS MATERIAL: Our toner cartridge is made of premium ABS material, wear resistant and scratch resistant, ensures a long service life. 5FINE WORKMANSHIP: Well crafted in standard size, the toner cartridge can achieve a tight fit with your equipment, you can choose with confidence!Item Type: Toner Cartridge Set Material: ABS Compatible Printer Models: Compatible with for Color imageClass MF640C, MF641Cw, MF642Cdw, MF643Cdw, MF 644Cdw, MF645Cx, for LBP621Cw, for LBP622Cdw, for LBP623Cdw printers .Package List4 x Toner Cartridge