This Painting On Glass Discovery Set is the ideal starter set for anyone beginning Glass Painting. Pebeo Vitrail colours are transparent, luminous solvent based paints for decorating glass.They are used with Cerne relief outliners to create without cutting the glass, wonderful stained glass effects. Use white spirit to clean your brushes after use. These Vitrail Glass Paints will dry tack-free in one hour and fully dry in 8 hours.This Painting On Glass Discovery Set Contains: 12 x 20ml Assorted Vitrail Colours (Lemon, Orange, Crimson, Brown, Pink, Greengold, Turquoise, Deep Blue, Parma, Black, White & Gold).Once Vitrail Glass Colours are dry your painted object will with stand a light wash, but no soaking. Colours are resistant to glass cleaner. Objects decorated with Vitrail colours are intended for decorative purposes only and should not be considered for practical usage. For practical usage of a decorated glass object, use Pebeo Vitrea 160.