This product is a set of six GPR-30/31/32/33 toner carrier refill kits designed for use with Canon printers. The kits are compatible with several different Canon models, including the GPR-31/32/33. These refill kits are made in the United States by AAATONER and are designed to provide high-quality printing in black, cyan, magenta, and yellow colors. The kits are suitable for use with laser print technology and are sold in a package containing six units. This set comes with the following refills ×2 black, x2 yellow, x1 cyan, x1 magenta. Each Container has 400g of material