Mylar is thin, flexible and light, but these properties belie the fact that it’s one of the most durable and strongest materials there is. You can see Mylar used to great effect in space blankets, insulators, solar filters and atmospheric helium-filled balloons. Many materials for long-term...
but if you look close, there’s actually a shiny silver layer under all that white fluff. It’s mylar, the same material used in shiny birthday balloons and emergency heat
Reflective surface: mylar food packaging, metallic auto sunshade, aluminum coated bubble wrap, Mylar balloons, space blankets, mirrors, or polished metal Tape or rubber cement 8 rods (optional) Hot glue/strong glue (optional) Constructing a Heavy-Duty Solar Oven Metal drum (ex. oil drum) Jig...