Pebeo Vitrail, Cerne Relief Dimensional Paint, 37 ml Tube with Nozzle - Copper The vitrail cerne relief outliners are available in 9 assorted colors packaged in 20ml metallic tubes with nozzle and 7 assorted colors packaged in 37ml metallic tubes with nozzle Vitrail colors are tack-free in one-hour, and fully dry in 8-hours if led in thin coats; air dry only as the colors are solvent-based Vitrail cerne relief colors can be applied on glass, polyester, acetate, canvas and metal The Vitrail Cerne Relief colors are applied directly from the tube with nozzle before applying the Vitrail colors After drying, the vitrail colors bear a light wash without soaking and are resistant to glass cleaner; objects decorated with vitrail colors are intended for decorative purposes only and should not be considered for practical usage