1. Multi-Material Compatibility Prints on steel, textiles, paper packaging, plastics, ceramics, and more, supporting industrial, commercial, and creative applications. ^^ 2. High-Precision Waterproof Performance Ink forms a waterproof layer upon drying, delivering sharp, long-lasting prints ideal for humid environments or durable labeling requirements. ^^ 3. Plug-and-Play Convenience SingleYellow includes one Blue ink cartridge, ready to use immediately without setup. Compatible with most mainstream inkjet printers (verify device compatibility beforehand).