Stormtrooper Stencil Mask Reusable PP Sheet for Arts & Crafts, DIY Stormtrooper mask/stencil. Genuine 350 micron Polypropylene Sheet A machine cut, stencil/mask which can be used in a variety of ways to create unique backgrounds and decorations for your craft, mixed media, DIY and home décor projects. Texture paste, inks, paints, pastels are just a few