The cutout shape has come a long way with modern technology and lasers, not to mention the medium of acetate (Mylar film) for the pattern, but the technique is basically the same.
Mylar streamers usually are available as strings of stars or other thematic elements, and are designed to be hung from the ceiling or along the edges of tables.
Born Out of Necessity has a fun and functional mini tote with a special waterproof pocket made of aluminum Mylar for carrying items that are hot or cold.
Decorate your party palace with gold Mylar balloons tied with gold ribbons.
Laser cut Mylar film is one of the most popular choices for a stencil form.
Shiny, metallic balloons (Mylar) are usually permitted.
Box wines come in a box lined with a mylar pouch.