Glassline Paint (Pens)

Glassline Fusing Paints. Glassline fusing Paints are a great way to experiment with painting and fusing. The Glassline Pens are used as a lining and shading material for glass. They're simple in design, easy to use, and can be thinned with water. The Glassline colors can be applied between multiple layers of glass or on the top surface for a complex dimensional look. Glassline Pens are available in vibrant standard colors and metallic colors. Glassline products are lead-free and food safe when fired.