1,latest  patent design,100% negative pressure structure,for better protecting the printer head

2,special “piano book”ink,fluent printing,vivid true color, 50ml package and no need syringes for refilling.

3’ non-rubber plug design,clean,tidy and enviroment-friendly usage

4,setted with piano book ink,easy for refilling process

5, With latest version chips can use on newest printer.