. Best price on fresh fruits & vegetables, dairy & bakery, packaged food. This mat was composed of polylactic acid-β-cyclodextrin/eugenol (PLA-β-CD/EUG) fiber membrane, super absorbent polymer (SAP) and filter paper, in which the fiber membrane was developed by the electrospinning technique. . . . Furthermore, what is meat packaging made of? Packaging Materials for Protective Gas Packaging Systems MAP-systems for fresh meat normally consist of trays made of deep-drawn plastic films.