Also know as emergency blanket, Mylar film is a thin plastic film metallized coated in gold or silver. It helps to conserve body heat loss through evaporation. Also reflect 90% of body heat, wind proof and waterproof. Lightweight compact 130cm x 210cm (Silver), 160cm x 210cm (Gold) folded neat packet in first aid kit or outdoor survival kit. Helps in search and rescue operation air, sea and land with its high reflective properties. Keep warm in night fishing at sea. Keep safe from car rear end collision as a reflective cover drape on car breakdown more visible than a safety triangle.
In craft use as backdrop, display signage, one way mirror see through film, cosplay costume and outdoor gold and silver gilding. Outdoor photography as light deflector. Construction of solar water heater as a reflective film. Reflect solar to keep house or car roof cooler. Perfect as gift wrapper in gold and silver. In lightbox as light reflector with LED to increase light intensity.
Fact remains there are many uses for a simple compact film in first aid kit, tool kit, travel bag, camping haversack, tackle box and more.
An emergency blanket makes a great insulator from the cold. Use it to help fortify your sleeping bag, if you’re fortunate to have one, or cut a blanket up and stuff it into your shoes and gloves to help keep your tootsies warm.
The mirror reflective surface is great to bounce light off of to signal for help.
Create a shelter from rain or the sun.
Mylar has a melting temperature of 500 degrees Fahrenheit so it is relatively safe in close proximity to open fire. Use a blanket to reflect heat from a campfire back into your aforementioned emergency-blanket shelter.