- The art mask is adapted for different ink and paint techniques. A mask is the reverse of a stencil. The principle is to paint and color the outside of the pattern. It is made from a durable acrylic material that can be washed or wiped clean. Perfect for variety of surfaces and applications including home decor and paper crafting projects. Use with pastels, acrylic paints, markers, sprays, inks, embossing powders and more.