This tube of Contour Liner, Iridescent is part of the Create Happiness Christmas Plus Collection designed by Vicky Papaioannou for Stamperia. This is a universal, thick, water-based paint that can be used on a variety of surfaces. This tube has a fine writing tip and can be used to draw or highlight contours of patterns or for making 3D decorations. This paint works great on both glass and fabric as well as other surfaces. This tube holds 20 ml of paint.