An LDPE Film Roll is produced by melting LDPE resin and forming it into thin, continuous sheets that are wound into rolls. The low-density structure of the polymer gives the film its characteristic softness and stretchability. Compared to high-density films, LDPE film is more flexible and resistant to cracking, even at low temperatures.
LDPE film rolls are available in various thic... http://sspvapi.com/ldpe-film-roll.php