The Air-o-Film not only permits condensation to leave, but because of its perforations, it facilitates the quick and uniform freezing of the products saving in time, money, and energy. The use of a stretch film creates and insulating surface which results in longer freeze time than that of the Air-o-Film. In other words the Air-o-Film is more practical and time efficient. In addition, during defrosting the Air-o-Film allows humidity to escape without damaging the valuable products.