Rozita Paint out liner is a thick glass paint in a tube and is used for outlining areas of glass paint, adding details to a design or creating patterns from dots, lines and swirls, Glass paint out liners combine professional quality with ease of use. Lead-free and dishwasher safe. For decorative purposes only. Simply bake in a domestic oven to 325? to cure. Colors Includes Black, Golden, Silver, Copper 20 ml tube. These are dimensional glass paint out liners, you can easily create unique and permanent works on glass, crystal, porcelain, china, glazed earthenware and more. These water-based, non-toxic, professional grade out liners were developed to create unique relief effects, Can be used on glass, China, Porcelain, Tile, Metal, Ceramic, and most heat-stable surfaces, The colors give a true, appearance and are permanent, The more you slice the nozzle further from its tip the thicker the outline will be. Use on clean, and dry surface for relief lining. Dries and settles within 72-96 hours.