Stretch film is environment-friendly product, which is all made of imported low-density PE (LLDPE) material without glue. It is with good transparency and extension effect.Products are rain-tight, moisture proof, beautiful and sturdy after packed, that can ensure safe while handing.  Extension strength of pre-expansion stretch film can be up to 45%. With use of pre-expansion binding machine, it can save a lot of packing material costs.