Shabby Chic Rustic Butterflys Mylar Airbrush Painting Wall Art Crafts Stencil. Airbrush stencil. Mylar stencil, painting stencil. 1x Reusable and washable Mylar stencil. The stencil is cut to the largest size possible on the selected sheet size and has a 20mm margin around the design to allow for masking to a wall.