The product is a full set of replacement ink cartridges for Sawgrass Virtuoso SG500 SG1000 heat press machines, designed for dye sublimation printing. The ink set includes cyan, yellow, magenta, and black colors, with a total page output of 800 pages. The cartridges are compatible with Sawgrass SG500 SG1000 models and come with a manufacturer warranty of 2 years. The ink is suitable for inkjet and dye sublimation print technology. Made in China, this unit is a reliable choice for those in need of high-quality sublimation ink cartridges.