1.original from Japan 2.keeps 3-5 years outside 3.good quality,not block printhead 4.has 6 colors 5.can be for glass,ceramic glass sample ceramic tile sample samplesTokyo uv ink original from Japan,can keep 3-5 years outside,good quality,not block printhead,has 6 colors uv ink original from Tokyo Japanleather sample Tokyo uv ink for uv flatbed printer original from Japan