The forming webs are used with MAP, vacuum packaging, and other flexible packaging applications. These tough, abuse-resistant materials form easily and are compatible with a variety of non-forming webs and are used in a variety of applications. The roll stock films are used to create flexible, semi-rigid, or rigid top or bottom components in food packaging. CRYOVAC® brand barrier forming webs offer passive or active barrier properties — passive to provide oxygen and moisture protection, active to scavenge odors. Typically used in fresh or frozen applications in which a barrier is essential to protect or extend the shelf life of a product.