SPEEDBALL-Mona Lisa Products: Metal Leafing Sheets. These micro-thin sheets of composition metal are perfect for use in decoupage, stenciling and other home decor projects. Can be used on plastic, wood, glass, paper, metal, ceramic and plaster of Paris. This package contains twenty-five 5-1/2x5-1/2in. Available in a variety of colors: each sold separately. Imported.