The environmental protection type POF contraction film is the abbreviation of the bidirectional stretch polyolefin contraction film, which is the most widely used and rapidly developing new environmental shrinkable film in the world. This product adopts the advanced double - way stretch three - layer melting co - extruding special process. It produces a soft shrinkable film with high transparency, high shrinkage, high toughness, high heat sealing performance, antistatic and cold resistance, and safe and reliable. But the relative price is higher than ordinary PVC.