This product is a replacement ink cartridge set designed specifically for Canon PIXMA printers. The set includes both black and tricolor cartridges, with sizes labeled as 275XL and 276XL. These cartridges are compatible with various Canon printer models such as TS3500, TS3520, TR4700, and TR4720. The product has a high page yield of 450 pages and is manufactured by GOFLOWMO, ensuring quality performance and reliable printing results. Dhec Ink is the trusted brand behind this ink cartridge set, making it a dependable choice for your printing needs.