This product is a set of four toner cartridges (black, cyan, magenta, and yellow) compatible with several printers, including the Aficio/Lanier/Savin Mp C3003 Mp C3503 Mp C3004 Mp C3504 series. The cartridges support dual-sided printing and have a page yield of 85500. The package dimensions are 24.0x7.0x6.25 inches and the weight is 6.2 pounds. The brand is Lovpain and the model number is Mp C3503.