This sublimation ink cartridge is compatible with SG400, SG800, SG400NA, SG400EU, SG2010, and SG2100 - and designed for use with GC41 printers.The 4-piece set includes four full ink cartridges in bulk packaging to support continuous printing tasks.The ink formulation is engineered for consistent print and image quality.Each cartridge is ready to install and delivers ink output.The packaging helps protect the cartridges and maintain their integrity before use, offering a practical solution for steady printing across supported devices.