KM Packaging offers mono polymer lidding films for all food tray types including PP, Alufoil, CPET and APET. Particularly relevant to the meat, poultry, fish and seafood markets, the company offers weld seal mono-material lidding films within our K SEAL range. These have an all-polyester structure and are available with a high-oxygen barrier. They offer exceptional transparency, with excellent anti-fogging properties, and weld seals to rPET or APET trays.