POF Polyolefin shrink wrap film is an extremely durable and versatile packaging material used on shrink wrap machines. Polyolefin shrink wrap offers many advantages over PVC shrink wrap. In recent years, polyolefin has become the preferred shrink material for most shrink packaging applications. POF polyolefin shrink film is FDA approved for direct food contact. POF materials are available with different characteristics. One option is cross-linked film, which provides high-tensile strength and incredible clarity for high-speed packaging applications. Cross-linked film also prevents buildup on the sealing components of your machinery.